AT-510 IP phone user manual
9
Enable Subscribe: Subscribe to the register to see the message leave for you such as voice
9
Enable Conference Num: conference ID
9
Enable Keep Authentication: AT510 can support registration with authentication request to
be sent to sever together
9
NAT Keep Alive: Some server’s registration interval time is very short. To config the time
here less than the default interval time of servers can keep the IP phone always being
connected to server.
9
Enable Via rport: rport mechanism is used in LAN to keep the NAT connection between
devices in and out of the LAN
9
Enable PRACK: enable the PRACK in SIP which is mainly used in special ring tone ,
recommend to keep the default setting
9
Long Contact: enable Contact filed hold more parameters
9
Click To Talk: use the PC to initial calling , need the support of special software
9
Forward Type: The function of forwarding before answering
9
Off
：
disable call forward
9
Busy
：
forward to a certain number when this line is busy
9
No answer
：
when no answer for a long time , forward this call to a certain number
9
Always
：
All the incoming calls will be forwarded to a certain number
9
For any forwarded call , there is the message in the IP phone
9
Forward Phone Number: config the certain number that the call will be forwarded to
9
Server Type: Choose the encryption way or server type
9
DTMF Mode: config DTMF transmission mode
¾
DTMF_RELAY
¾
DTMF_RFC2833
¾
DTMF_SIP_INFO
9
Different ITSP provider use different mode.
9
RFC Protocol Edition: config the SIP protocol edition. When the IP phone need to work with
some SIP1.0 gateway such as CISCO5300
，
need to choose RFC2543 here. Default is
RFC3261
9
Transport Protocol: choose TCP/UDP
9
Subscribe Expire Time: Subscribe information packet Expire Time:
9
Conference Number: config certain Conference call number
9
Signal Encode: enable signal encryption
9
Rtp Encode: enable voice data encryption
9
Enable Session Timer: enable rfc4028 to refresh the SIP sessions
9
Answer With Single Codec: only answer the call with a certain Codec
9
Auto TCP: enable TCP transmission protocol when the length of message exceed 1300 byte
9
Enable URI Convert: convert # into %23 when sending URI
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