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SIP
Field Name
Response Single Codec
Use Feature Code
Specific Server Type
Registration Expiration
Use VPN
Use STUN
Convert URI
DTMF Type
DTMF SIP INFO Mode
Transportation Protocol
SIP Version
Caller ID Header
Enable Strict Proxy
Enable user=phone
Enable SCA
Enable BLF List
Enable DNS SRV
Keep Alive Type
Keep Alive Interval
Enable Session Timer
Session Timeout
Enable Rport
Enable PRACK
Keep Authentication
Auto TCP
Explanation
record.
If it is enabled, the device would use single codec in response to an
incoming call request.
When this setting is enabled, the features in this section would not be
handled by the device itself but by the server instead. In order to control the
authorization of the features, the device would send feature code to the
server by dialing the number specified in each feature code field.
Set the line to collaborate with specific server type.
Set the SIP expiration period.
Set the line to use VPN restrict route.
Set the line to use STUN for NAT traversal.
Convert not digit and alphabet characters to %hh hex code.
Set the DTMF type to be used for the line.
Set the SIP INFO mode to send '*' and '#' or '10' and '11'.
Set the line to use TCP or UDP for SIP transmission.
Set the SIP version.
Set the Caller ID Header.
Enables the use of strict routing. When the phone receives packets from
the server, it would use the source IP address, not the address in via field.
Sets user=phone in SIP messages.
Enable/Disable SCA (Shared Call Appearance )
Enable/Disable BLF List
Set the line to use DNS SRV which would resolve the FQDN in proxy
server into a service list.
Set the line to use dummy UDP or SIP OPTION packet to keep NAT
pinhole opened.
Set the keep alive packet transmitting interval.
Set the line to enable call ending by session timer refreshment. The call
session would be ended if there is not new session timer event updating
received after the timeout period.
Set the session timer timeout period.
Set the line to add Rport in SIP headers.
Set the line to support PRACK SIP message.
Keep the authentication parameters of previous authentication.
Using TCP protocol to guarantee usability of transport when SIP messages
52
720p SIP Multi-unit Video Door Phone with RFID and PoE
HDP-5240PT
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