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| Force INVITE | Session Timer can be refreshed using INVITE method or UPDATE method. |
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| Select “Yes” to use INVITE method to refresh the session timer. |
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| Enable 100rel | PRACK (Provisional Acknowledgment) method enables reliability to SIP |
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| provisional responses (1xx series). This is required to support PSTN inter- |
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| networking.. |
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| There are 4 uniquely defined ring tones: |
| Account Ring Tone | |
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| • One (1) System Ring Tone: when selected, all calls will ring with system |
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| ring tone. |
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| • Three (3) Customer Ring Tones: when selected, incoming calls from |
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| designated account will play selected ring tone. |
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| Send Anonymous | If this parameter is set to “Yes”, the “From” header in outgoing INVITE message |
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| will be set to anonymous, essentially blocking the Caller ID from displaying. |
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| Default is No. If set to “Yes”, |
| Auto Answer | |
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| answer the incoming call. Set to Intercom/Paging mode, it will answer the call |
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| based on the SIP info header from the server. |
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| Preferred Vocoder | The |
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| (also known as PCMU/PCMA), GSM, G.723.1, G.729A/B. |
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| Configure Vocoders in a preference list that is included with the same preference |
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| order in SDP message. Enter the first Vocoder in this list by choosing the |
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| appropriate option in “Choice 1”. Similarly, enter the last Vocoder in this list by |
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| choosing the appropriate option in “Choice 8”. |
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| Jitter Delay | Jitter Buffer Delay is |
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| Special Feature | Default is Standard. Choose the selection to meet special requirements from Soft |
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| Switch vendors. |
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SAVING THE CONFIGURATION CHANGES
After the user makes a change to the configuration, press the “Update” button in the Configuration Menu. The LCD will then display the following screen to confirm saved changes.
Grandstream recommends to power cycle the IP phone after saving changes.
REBOOTING THE PHONE REMOTELY
Press the “Reboot” button at the bottom of the configuration menu to reboot the phone remotely. The LCD will then display the following screen to confirm reboot is underway.
Wait 30 seconds to
Grandstream Networks, Inc. | Page 30 of 33 | |
| Firmware 1.1.4.3 | Last Updated: 05/2007 |