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| Subscribe for MWI |
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| Default is No. When set to “Yes” a SUBSCRIBE for Message Waiting Indication will be |
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| sent periodically. |
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| Send Anonymous |
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| Default is No. If this parameter is set to “Yes”, the “From” header along with Privacy |
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| and P_ Asserted_Identity headers in outgoing INVITE message will be set to |
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| anonymous, blocking Caller ID. |
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| Anonymous Call |
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| Default is No. If set to Yes, incoming calls with anonymous Caller ID will be rejected |
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| Rejection |
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| with 486 Busy message. |
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| Special Feature |
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| Default is Standard. Choose the selection to meet some special requirements from |
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| Softswitch vendors. |
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| Session Expiration |
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| Grandstream implemented SIP Session Timer. The session timer extension enables |
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| SIP sessions to be periodically “refreshed” via a SIP request (UPDATE, or |
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| Once the session interval expires, if there is no refresh via a UPDATE or |
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| message, the session will be terminated. Session Expiration is the time (in seconds) at |
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| which the session is considered timed out, if no successful session refresh transaction |
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| occurs beforehand. The default value is 180 seconds. |
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| The minimum session expiration (in seconds). The default value is 90 seconds. |
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| Caller Request Timer |
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| Default is No. If selecting “Yes” the phone will use session timer when it makes |
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| outbound calls if remote party supports session timer. |
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| Callee Request Timer |
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| Default is No. If selecting “Yes” the phone will use session timer when it receives |
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| inbound calls with session timer request. |
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| Force Timer |
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| Default is No. If selecting “Yes” the phone will use session timer even if the remote |
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| party does not support this feature. Selecting “No” will allow the phone to enable |
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| session timer only when the remote party support this feature. To turn off Session |
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| Timer, select “No” for Caller Request Timer, Callee Request Timer, and Force Timer. |
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| UAC Specify Refresher |
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| Default is Omit. As a Caller, select UAC to use the phone as the refresher, or UAS to |
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| use the Callee or proxy server as the refresher. |
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| UAS Specify Refresher |
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| Default is UAC. As a Callee, select UAC to use caller or proxy server as the refresher, |
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| or UAS to use the phone as the refresher. |
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| Force INVITE |
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| Session Timer can be refreshed using INVITE method or UPDATE method. Select |
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| “Yes” to use INVITE method to refresh the session timer. Default is No, |
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| Send |
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| Default is No, If set to “Yes”, device will send an INVITE with audio vocoders upon |
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| Fax |
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| completion of Fax to continue session in audio only. |
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| Enable Silence |
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| For fax machines that do not send a Disconnect when fax is done. This option |
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| Detection for Fax |
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| Enables/Disables the detection of silence in order to know the fax has finished. The |
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| Disconnect |
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| silence period is |
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| Enable 100rel |
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| Default is No, If set to Yes, Enables the use of PRACK (Provisional Acknowledgment) |
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| method. |
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| Use First Matching |
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| Default is No. If set to “Yes”, device will include only the first match vocoder in its |
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| Vocoder in 200OK SDP |
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| 200OK response, otherwise it will include all match vocoders in same order received in |
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| INVITE. |
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| Preferred Vocoder |
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| The HT70X supports up to 5 different Vocoder types including G.711 |
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| 32, G.723.1, G.729A/B/E, iLBC. The user can configure Vocoders in a preference list |
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| that will be included with the same preference order in SDP message. The first |
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| Vocoder is entered by choosing the appropriate option in “Choice 1”. The last Vocoder |
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| is entered by choosing the appropriate option in “Choice 8”. |
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| Vocoder types can also be changed per call basis by using a star code. Please see the |
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| “Call features” section. |
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| |||||||
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| G723 Rate |
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|
| Default is 6.3kbps. Defines the encoding rate for G.723.1 vocoder. |
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| iLBC Frame Size |
|
|
| Default is 20ms. Sets the iLBC frame size in 20ms or 30ms. |
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| iLBC Payload type |
|
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| Defines payload type for iLBC. Default value is 97. The valid range is between 96 and |
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| |||
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| 127. |
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| VAD |
|
|
| Default is No. VAD allows detecting the absence of audio and conserve bandwidth by |
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| |||
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| preventing the transmission of "silent packets" over the network. |
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Grandstream Networks, Inc. |
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| Page 28 of 35 | |||||||||
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| Firmware Version 1.0.0.18 | Last Updated: 03/2012 | ||||