| Jitter Delay |
| Select desired Jitter Buffer Delay. Default is Medium. It is using 100, 200 and 400ms to |
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| match the setting of low, medium and high for audio. The video always buffered and played |
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| in synchronize with audio. |
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| Grandstream recommends “High” for a poor network environment. |
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| Enable Video |
| Yes: video is enabled for all calls. This is the default value. |
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| No, but allow |
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| Receiving call: |
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| There are two ways to pick up incoming video call. |
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| GXV300x can still send out video request after the call is established by pressing MIR- |
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| ROR button. |
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| Making call: |
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| No: video is disabled. |
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| H.264 payload type |
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| Enter a desired value |
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| Default is 99. |
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| H.263+ payload type |
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| Enter a desired value |
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| H.263 Default Resolution |
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| Default is CIF. |
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| Enable RFC5168 Support |
| Default is No. |
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| If it is set to Yes, phone will send an SIP INFO asking for update of |
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| SRTP Mode |
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| Enable SRTP mode based on selection. Default is Disabled. |
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| Special Feature |
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| Default is Standard. |
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| Choose the selection to meet special requirements from different Soft Switch vendors (like |
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| Nortel, Broadsoft, Sonus, etc) |
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FXO SETTINGS
The FXO tab would only appear for GXV3005.
TABLE 14: FXO CONFIGURATION PAGE DEFINITIONS
Current Disconnect
This is a preconfigured value of duration for a line power drop used by specific service pro- viders. For example, for a configured value of 500ms the device will ignore any random voltage drops on the line if duration of such drop is less than 500ms and the call will NOT be considered as terminated. This is useful to prevent unnecessary call drops in some low quality PSTN lines.
Enable Tone Disconnect
Default is Yes. If set to Yes, busy tone is used as disconnect signal.
Grandstream Networks, Inc. | GXV300x User Manual | Page 36 of 54 |
| Firmware 1.2.3.7 | Updated: 12/2010 |
