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Version 90.4 by Christine Sklareski on 2025/08/22 07:59
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6 This page provides basic instructions for using the Grandstream 3350 phones that are installed in the main office and administrator offices. This model phone includes a camera to make video calls with an adjustment for camera angle and blocking when not needed.
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10 [[image:GS-3350model.png||alt="Grandstream 3350 model" data-xwiki-image-style-border="true" height="261" width="314"]]
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13 Hardware: [[Front view of phone and explanation of buttons>>https://drive.google.com/file/d/1X5Bl-qkNHTdMrCC2_xiBWdBWOa0rE4ZB/view?usp=sharing||rel="noopener noreferrer" target="_blank"]]
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15
16 **Things to note:**
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18 * The handset button at the lower left corner of the phone will automatically dial the most recent call when pressed. If pressed inadvertently, press the illuminated Speaker phone button at the lower right corner to hang up the call.
19 * Swiping down from the top edge of the display will reveal the Status menu where users can quickly engage "do not disturb" and also mute the microphone.
20
21 **Home screen of the touch display:**
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23 The home screen displays **Tech-configured speed dials** on the left, topped by the **signed-in user's name and extension**. On the right, **Call**, **Contacts**, and **Call history** softkeys are shown from top to bottom. The home screen will also have access to **Settings**.
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26 If your name and phone extension are not showing at the top left corner of the speed dial area, please [[submit a tech request>>http://support.etownschools.org||rel="noopener noreferrer" target="_blank"]] for assistance.
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29 [[Page 1 of the Grandstream home screen.>>image:GS-Home-1.png||alt="Grandstream home screen - page 1" data-xwiki-image-style-border="true" height="255" width="450"]]
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32 The home screen has two pages. Swipe left to view page 2. The available apps may be slightly different from the screenshot below. The Settings app is available to change ring tones and turn off tap sounds.
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34 [[Page 2 of the Grandstream home screen.>>image:GS-Home2.png||alt="Grandstream home screen, page 2." data-xwiki-image-style-border="true" height="246" width="450"]]
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37 The LED Indicator light at the top right corner of the phone alerts to different messages and status of the phone:
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39 [[LED Indicator light guide.>>image:3350-LED_Indicator.png||alt="Grandstream 3350 LED Indicator light screenshot." data-xwiki-image-style-border="true" height="307" width="520"]]
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43 A subset of screenshots displayed on this Grandstream page are sourced from the Grandstream 3350 [[User Guide>>https://www.grandstream.com/hubfs/Product_Documentation/GXV3350_User_Guide.pdf||rel="noopener noreferrer" target="_blank"]].
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50 {{box title="**Contents**"}}
51 {{toc/}}
52 {{/box}}
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56 ----
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62 = Place Calls =
63
64 To initiate calls, you must enter an extension number and press "Audio" call. If there is a delay between the extension being entered and the pressing of the "Audio" call button, the call will engage automatically.
65
66 == Multiple ways to Initiate a call: ==
67
68 1. Pick up the handset.
69 1. Press the Speaker button on the phone.
70 1. Press the Call button on the touchscreen.
71 1. Press a name in the Speed dial menu on the touchscreen or the button box.
72 1. Find a name in Contacts
73
74 == Place Calls ==
75
76 * **Place a ringing call to an internal extension:**
77 ** Initiate a call.
78 ** Use the keypad to enter the extension.
79 ** Press Audio call or Video call. Please note: Video calls will only work on admin phone models. Classroom phone models do not have a camera.
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82
83 * **To place a call to an outside phone number**:
84 ** Initiate a call.
85 ** Dial **9** (to access the outside line).
86 ** Dial the external phone number.
87 ** Press Audio call or wait for the call to connect automatically.
88
89 == Place Emergency Calls ==
90
91 * **To place an emergency 911 call:**
92 ** Initiate a call.
93 ** Dial 911 or 9911.
94 ** Press Audio call or wait for the call to connect automatically.
95
96 * **To place an internal emergency call to alert the office of an issue:**
97 ** Initiate a call.
98 ** Dial your building's internal emergency extension.
99 ** Press Audio call or wait for the call to connect automatically.
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109 [[Grandstream 3350 **Call screen**>>image:GS3350-CallScreen.png||alt="Grandstream 3350 call screen" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="213" width="367"]]
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118 (((
119 == Place Conference Calls ==
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122 (((
123 * **To initiate a conference call from the dial screen:** GS3350 phones support up to 6-way audio conferencing and 3-way video conferencing.
124 ** Bring up the dial screen.
125 ** Enter the first extension number, then press on it on the left panel of the screen.
126 ** The extension will be added to the dialing field and users can dial another number.
127 ** When all extensions have been entered, press "Audio Call" or "Video Call".
128
129 * **To initiate a conference call while on a phone call:**
130 ** When the phone is on the call screen, tap on the "Conference" button.
131 ** Enter the third-party number or choose an available number on the left menu from the call history or contacts.
132 ** After the call is established, the conference screen is brought up.
133 ** Tap the "Invite" button to add more members to the conference.
134
135 * **To initiate a conference call from the conference soft key:**
136 ** Bring up the dial screen.
137 ** Enter the first extension number, then press on it on the left panel of the screen.
138 ** The extension will be added to the dialing field.
139 ** Enter other extensions until all are entered.
140 ** Press "Audio Call" or "Video Call" to begin the conference call.
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143 **Conference Call Management:**
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145 * (((
146 **Attendee management**:
147
148 * **Remove a user from call:** Tap an extension in the connected extension list and click the red X labeled "Hang up" to remove it.
149 * **Mute**: Tap the extension and then click the Mute button.
150 * **Video on**: Tap the extension and tap the Video on button.
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152
153 * **End a conference call:**
154 ** Tap the red handset button to end the call for everyone.
155 ** Individuals who disconnect from the call will exit but all other parties will remain.
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167 [[Add extensions to a conference call.>>image:GS-conference-addUsers.png||alt="Add users to a conference call." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="203" width="367"]]
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170 [[Use the Invite button to invite more users to a conference call.>>image:GS-Conference-Invite_while_on_call.png||alt="Use the invite button to add more users to conference call." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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181 = Answering Calls =
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183 Caller ID will show who is calling.
184
185 * **To answer a single incoming call**:
186 ** Pick up the handset, or to answer by speaker phone, press either the "Speaker" button or tap the on-screen "Answer" button.
187 ** Tap the "Video" softkey to answer a video call or select "Audio" to answer through audio connection only. Pick up the handset during a video call to switch the audio to the handset.
188 * **To answer an incoming call during an active call:**
189 ** When a call is in progress and a new call comes in, the extensions will show on the left side of the display. You can answer the new call by audio, video or decline the new call. If the ringing call is answered, the first call will automatically be put on hold.
190
191 * **To pick up a call ringing at another phone in your group:**
192 ** Lift the handset and press the PICKUP button.
193
194 * **To send a ringing call your voicemail box instead of answering:**
195 ** Press **Reject** on the phone display to transfer the call to voicemail.
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202 [[Tap answer to answer an incoming call.>>image:GS-AnswerAudioCall.png||alt="Tap the Answer softkey to answer by speaker phone." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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204 [[Tap to answer a second incoming call.>>image:GS-SecondCall.png||alt="Tap to answer a second call." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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214 = Directory, Contacts list, and Button boxes =
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216
217 * **Finding EASD extensions in the directory**:
218 ** Tap the **User** icon on the right side of the home screen.
219 ** In the left menu, tap **LDAP.**
220 ** Tap the **search bar** at the top of the screen and use the on-screen keyboard to search for a user.
221 ** Tap the **green** **phone** icon to place a call.
222
223 {{warning}}
224 If the LDAP Contacts don't load or you can't perform a search, restart the phone following the instructions at the bottom of this page.
225 {{/warning}}
226
227
228 * **Frequently called contact list**:
229 ** Tap the **User** icon on the right side of the home screen.
230 ** In the left menu, tap **LDAP.**
231 ** Tap the **search bar** at the top of the screen and use the on-screen keyboard to search for a user.
232 ** Tap the **Download** button to save the extension to the contact list.
233 ** Find your downloaded contacts in the **Contacts** menu on the left side of the User screen.
234 * **Saving Favorites:**
235 ** To save a favorite number, they must first be saved to your **Contacts** (not LDAP).
236 ** Tap on the user in Contacts
237 ** Tap the Star to add them to Favorites.
238
239 {{warning}}
240 If your phone needs to be factory reset, your saved contacts will be deleted. They can be saved again after the reset. Type your warning message here.
241 {{/warning}}
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250 [[EASD Directory >>image:GS-LDAP-cropped.jpg||alt="Grandstream directory" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="208" width="367"]]
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260 (((
261 = Programming Speed Dials =
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263
264 * **To program a speed dial:**
265 ** Press the **pencil** under the speed dial names on the left side of the phone display. This opens the **Programming app**.
266 ** To add a new speed dial number, tap the **+ plus** sign at the top of the display.
267 *** **Enter name**: the cursor appears where you enter the name that you want to program.
268 *** (% style="display:none" %) (%%)**Enter extension**: Tap in the Number field and enter the extension that you want to program.
269 *** **Select programming type**: select a programming option above the name and number field:
270 **** **Speed dial**: simply dials the extension when tapped.
271 **** **Blue Lamp Field**: allows you to see when the extension is ringing or if the person is on a call (this works if you are in a pickup group with the extension).
272 *** **Tap the blue check mark** at the top right to save the speed dial.
273
274 * **To edit the speed dial screen, tap the pencil at the top of the Programming screen.**
275 ** **Edit contacts:** Each saved speed dial is editable by tapping the pencil icon on its tile.
276 ** **Reorder list**: Press, hold and drag a tile to a new location.
277 ** **Remove speed dials**: Place a check in the box and tap the trash can to delete a speed dial.
278
279 * **Once the speed dials are saved, you can resize the speed dial block into more columns to show more saved extensions on the phone's Home Screen:**
280 ** Press and hold on the speed dial block.
281 ** A white guide box with white dots appears in a square around the block, press and drag the dots to resize the block to 2 or 3 columns.
282 ** Tap off the speed dial block to save the change or tap the Home button.
283
284 * **To update a button box:**
285 ** Disconnect the button box power cable from the back of the phone
286 ** Make the speed dial changes
287 ** Reconnect the cable from the button box to the phone
288 ** Click "Sync" when prompted.
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295 [[Program speed dials screen. >>image:Program keys.png||alt="Grandstream program keys" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="182" width="317"]]
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297 [[Grandstream - Edit programable buttons. >>image:IMG_0145 2.jpeg||alt="Grandstream programable app" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="182" width="317"]]
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308 = Call Handling =
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310
311 * **To transfer a call to another extension: **
312 ** **Blind transfer:**
313 *** While on a call, tap the **Transfer** button.
314 *** Select the transfer mode "**Blind**" (blind is the default) at the top right corner.
315 *** Use the keypad to enter the extension or tap **Keyboard** on the onscreen display to search for a name.
316 **** When using the keyboard, enter the person's name and then tap the checkmark to begin the search. Tap on the correct person to initiate the transfer.
317 *** Tap on the **Transfer** softkey.
318 *** The call will transfer to the extension and the phone system will hang up the initial call.
319 ** **Attended transfer:**
320 *** While on a call, tap the **Transfer** button.
321 *** Select **Transfer** to bring up the transfer screen.
322 *** Select the transfer mode (blind is the default) and change it to **Attended.**
323 *** Enter the transfer target extension and then press the **Transfer** soft key on the right.
324
325 * **To transfer a call directly to voicemail:**
326 ** Press** Transfer. **
327 ** Press** * **(star button).
328 ** **Enter the desired voicemail extension.**
329 ** Press** Blind Transfer **to go to directly to voicemail.
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336 [[Blind transfer screen. >>image:GS-blindTransfer.png||alt="Grandstream blind transfer screen" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="182" width="317"]]
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338 [[Attended transfer screen. >>image:GS-AttendedTransfer.png||alt="Grandstream attended transfer screen" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="182" width="317"]]
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350 (((
351 = Call History =
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353
354 * Tap the **Call History** softkey (bottom button) on the right side of the home screen.
355 * Initiate a call from the history by tapping the green call or video buttons.
356
357 == Missed Calls ==
358
359 * When there is a missed call, the display will show a missed call dialog on the idle screen and the light at the upper right corner of the phone will flash red.
360 * Tap the green phone icon to return the call.
361 * Tap anywhere on the display except the missed call prompt to return to the home screen.
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368 [[Call History screen.>>image:GS-CallHistory.png||alt="Grandstream Call History screen" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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371 [[Missed call screen.>>image:GS-MissedCall.png||alt="Grandstream Missed call screen" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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397 (((
398 = Availability State: Do Not Disturb =
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400
401 * **When Do not disturb is engaged, incoming calls will be blocked for all accounts: **
402 ** To initiate do not disturb, touch and drag the status bar (top edge of the display) down on the home screen.
403 ** Tap the DND icon to turn it on and off.
404 ** Calls can still be made out when the phone is in DND.
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406 * **Pressing the mute button on the right side of phone pad:**
407 ** During a call: will mute the microphone.
408 ** Off a call: will engage **do not disturb** for the phone.
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417 [[Do not disturb>>image:GS-DND.png||alt="Grandstream Do not disturb mode" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="210" width="367"]]
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437 (((
438 = Voicemail =
439
440 * **Voicemails can be accessed in the following ways:**
441 ** **Desk phone:** use the Voicemail app to listen to and manage voicemails. Contact Tech Support if you don't know your voicemail passcode.
442 ** **Grandstream Wave for Desktop app**: listen to and manage voicemails through Calls link in the app. Follow instructions on the [[Wave for Desktop page>>doc:Main.DevicesHardware.GrandStream Phones.Grandstream Wave App.WebHome]].
443 ** **District email**: 
444 *** A copy of all voicemails will be sent as .wav files to the email address of the user tied to the extension. The emails will come from "EASD Phone System". Tips for listening to the voicemail:
445 **** **Chrome and Firefox** web browser: voicemail .wav files will not play directly in the browsers. They need to be downloaded to the computer and played in Apple Music.
446 **** **Safari** web browser: voicemail .wav files play within the browser.
447 **** On a **district iPhone:** voicemail .wav files will play automatically within the email system. 
448
449 * **Set up your voicemail greeting:**
450 ** Sign in to your voicemail box using your passcode.
451 ** Press 0 for mailbox options.
452 ** Press 1 to record unavailable message. Press # after recording.
453 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)1 to accept recording
454 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)2 to listen to your recording
455 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)3 to rerecord the recording
456 ** Press 3 to record your name. Press # after recording.
457 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)1 to accept recording
458 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)2 to listen to your recording
459 *** (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)3 to rerecord the recording
460 ** Press 5 to change your password. Press # after changing the password.
461 *** Reenter the new password followed by the # key.
462
463 * **To check your voicemail from another phone in the district:**
464 ** Call *98
465 ** Enter your extension number when prompted
466 ** Enter your voicemail password when prompted
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473 [[Email containing voicemail file.>>image:GS-Email-Voicemail.png||alt="Grandstream voicemail to email view" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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483 (((
484 = Phone Settings =
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486
487 * **Adjust sounds and set ring tones:**
488 ** On the home screen, swipe to the second page and tap **Settings**.
489 ** Swipe up and tap on **Sound.**
490 ** In the sound settings, you can adjust ringer and alert volumes and select ring tones.
491 ** Disable touch sounds and tones in **Other Settings.**
492
493 * **Disable Touch Tones (sounds when you're tapping on the screen or pressing buttons on the dial pad)**:
494 ** Tap the Home button.
495 ** Swipe left to the second page and tap **Settings.**
496 ** Swipe up and tap on **Sound.**
497 ** Tap **Other Sounds.**
498 ** Disable Touch sounds and Touch tone.
499
500 * **Adjust the Display:**
501 ** In **Settings, tap Display** to adjust the brightness level, screen timeout and font size.
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507 [[In phone settings: adjust sounds, ringer and brightness.>>image:GS-Settings.png||alt="Grandstream Settings" data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="209" width="367"]]
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519 = Answering Doorbells =
520
521 The Grandstream 3350 model can be connected to the door system allowing office staff and administrators to open the main door, initiate calls with visitors and get real time audio/video stream.
522
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524 * Press **Open **to open the door for visitors.
525 * Press **Answer** to answer the call and speak to the visitor.
526 * Press **Reject** to hang up the call.
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533 [[Grandstream doorbell system. >>image:GS-DoorSystem.png||alt="Grandstream Doorbell system screen." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="219" width="367"]]
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543 (((
544 = Paging =
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546
547 * **To all-call page within school:**
548 ** Pick up the handset.
549 ** When the dial tone is heard, enter the building's all-call paging extension.
550 ** When you hear the all-call paging tone, say the message into the handset.
551 ** Hang up the handset to end the page (you may consider pressing the hook switch button to end the page before replacing the handset to reduce a noisy hangup).
552 ** If you are unsure of the building's all-call paging extension, please submit a tech request through [[IncidentIQ>>http://support.etownschools.org]].
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557 (% class="col-xs-12 col-sm-4" %)
558 (((
559 [[Enter paging extension number and press Audio call.>>image:GR3350-Call.png||alt="Call screen." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="211" width="367"]]
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568 (((
569 = Restart the Phone =
570
571
572 * Disconnect the phone cord from the back.
573 * Wait a minute and then reconnect it to the same port.
574 * The phone will become functional after two minutes.
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580 (((
581 [[Disconnect phone cord and replace to restart phone.>>image:GS-backs.png||alt="Grandstream - image of phone back with powered port highlighted." data-xwiki-image-style-alignment="end" data-xwiki-image-style-border="true" height="257" width="310"]]
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585 ~)~)~)