DTMF Type
DTMF_RFC2833
DTMF_SIP_INFO
Different VoIP Service providers may provide
different modes.
Local Port
Set sip port of each line.
Ring Type
Set ring type of each line.
Enable Via Rport
Enable/Disable system to support RFC3581. Via
rport is special way to realize SIP NAT.
Enable PRACK
Enable or disable SIP PRACK function, suggest use
the default config.
Enable Long Contact
Set more parameters in contact field; connection
with SEM server.
Convert URI
Convert # to %23 when send the URI.
Dial Without
Registered
Set call out by proxy without registration;
Ban Anonymous Call
Set to ban Anonymous Call;
Enable DNS SRV
Support DNS looking up with _sip.udp mode.
Server Type
Select the special type of server which is encrypted,
or has some unique requirements or call flows.
RFC Protocol Edition Select SIP protocol version to adapt for the SIP
server which uses the same version as you select.
For example, if the server is CISCO5300, you need
to change to RFC2543; else phone may not cancel
call normally. System uses RFC3261 as default.
Transport Protocol
Set transport protocols, TCP or UDP;
Anonymous call
Edition
Set Anonymous call out safely; Support
RFC3323and RFC3325;
Keep Authentication
Enable/Disable Keep Authentication System will
take the last authentication field which is passed the
authentication by server to the request packet. It will
decrease the server’s repeat authorization work, if it
is enable.
Answer With A
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 as 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.
Summary of Contents for IP20
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