PLANET ICF-1700 - Manual (Page 105)

* DTMF_SIP_INFO.
Different service providers may provide different mode.
Transport Protocol Set transport protocols, TCP or UDP.
Subscribe Expire Time Overtime of resending subscribe packet. Suggest
using the default configuration.
Enable user=phone Is the highest authority on the system?
Signal Encode Enable/Disable Signal Encrypt.
RTP Encode Enable/Disable RTP Encrypt.
Enable Session Timer Enable/Disable Session Timer to support RFC4028 or
not. It will refresh the SIP sessions.
Answer With Single
Codec Enable/Disable the function. When call is incoming,
phone replies SIP message with just one codec which
phone supports.
Auto TCP Set to use automatically TCP protocol to guarantee
usability of transport when message is above 1300
byte.
Enable Strict Proxy Support the special SIP server-when phone receives
the packets sent from server, phone will use the source
IP address, not the address in via field.
Enable GRUU Set to support GRUU.
Enable Display name
Quote Set to make quotation mark to display name as the
phone sends out signal, in order to be compatible with
server.
8.2.2 Stun Configuration
By STUN server, the phone in private network could know the type of NAT and the NAT mapping IP
and port of SIP. The phone might register itself to SIP server with global IP and port to realize the
device both calling and being called in private network.
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