8820IP Phone User Manual_ SIP (V1.44)
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device alive. “
nat ttl
” is an integer between 10 and 65535, default value is
20.
●
phone number:
The local phone number or username of this phone,
usually is allocated by system.
●
account
: With SIP system which requires authentication, please put the
username/account into this field.
●
pin:
With SIP system which requires authentication, please put the
password into this field.
●
register port:
The local UDP port registered with server to accept
incoming handshaking messages. The default port number is 5060.
●
rtp port:
RTP port is the port transferring and receiving voice packets
using UDP protocol. This is an even number between 1024 and 65535.
●
tos:
Set the TOS field of the IP header of the RTP packets. The bigger
this value is 0, the higher priority the packet is 224.
●
outbound proxy :
Enable/disable Outbound proxy by checking/clearing
this box. If the system has an Outbound Proxy
,
please set the URI of the
Outbound proxy into “
sip proxy
” and set the domain name of SIP proxy
server into “
domain/realm
”. The default service port is 5060.