| Different VoIP Service providers may require different modes. | |
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Local port | SIP port. Default is 5060. |
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Ring type | Set ring tone. There are 9 standard options and 3 user options. | |
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Enable Rport | Enable/Disable support for NAT traversal via RFC3581 (Rport). | |
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Enable PRACK | Enable or disable SIP PRACK function. Default is OFF. It is | |
| suggested this be used. |
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Enable Long Contact | Allow more parameters in contact field per RFC 3840 | |
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Convert URI | Converts # to %23 when sending URI information. | |
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Dial Without Registered | Allow outgoing calls without registration. | |
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Ban Anonymous Call | Refuse Anonymous Calls |
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Enable DNS SRV | Enables use of DNS SRV records |
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Enable Missed Call Log | If enabled, the phone will save missed calls into the call history | |
| record. |
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BLF List Number | BLF List allows one BLF key to monitor the status of a group. | |
| Multiple BLF lists are supported. |
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Enable BLF List | Enable/Disable BLF List |
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Server Type | Configures phone for unique requirements of selected server. | |
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RFC Protocol Edition | Select SIP protocol version RFC3261 or RFC2543. Default is | |
| RFC3261. Used for servers which only support RFC2543. | |
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Transport Protocol | Set transport protocol TCP, UDP or TLS. | |
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Anonymous Call Edition | Set privacy support RFC3323, RFC3325 or none | |
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Keep Authentication | Enable /disable registration with authentication. It will use the | |
| last authentication field which passed authentication by server. | |
| This will decrease the load on the server if enabled. | |
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Ans. With a Single Codec | If enabled phone will respond to incoming calls with only one | |
| codec. |
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Auto TCP | Force the use of TCP protocol to guarantee usability of transport | |
| for SIP messages above 1500 bytes | |
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Enable Strict Proxy | Enables the use of strict routing. | When the phone receives |
| packets from the server，it will use the source IP address, not the | |
| address in via field. |
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Enable GRUU | Support for Globally Routable | |
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Enable Displayname | Puts quotation marks around the | |
Quote | For servers that require this. |
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Enable user=phone | Sets user=phone in SIP messages. | For compatibility with servers |
| that require this. |
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Click to Talk | Set click to Talk (needs support from server). | |
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| SIP Global Settings |
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Strict Branch | Enable Strict Branch - The value of the branch must be after | |
| “z9hG4bK” in the VIA field of the INVITE message received, or | |
| the phone will not respond to the INVITE. | |
| Note: This will affect all lines |
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Enable Group | Enable SIP Group Backup. This will affect all lines | |
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