Teletronics Enterprise SIP Server - Manual (Page 37)

TELETRONICS INTERNATIONAL, INC.
36 Enterprise SIP Server Tutorial – Dial Plan
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11. Others
11.1. Changing the Forward Number
The allowed forward number can be changed in the Max-Forwards: header field. Calls
(Sessions) can go through its number of proxies or similar methods between clients. The
number of Max-Forwards: will be decreased at every method (proxy server). If it reaches 0, an
error will be returned.
11.1.1. If the callee isn’t registered, the allowed forward number is set to 15
Matching Patterns Deploy Patterns
$request=^INVITE
$registered=false
max-forwards=15
11.2. Changing the User Agent
The User Agent Name can be changed in the User-Agent: header field. Normally a User Agent
Name contains the caller’s Client Name and version number.
11.2.1. If the caller’s User Name is “pbx”, the User Agent Name is set as “user”
Matching Patterns Deploy Patterns
$request=^INVITE
from=sip:pbx@
user-agent=user
11.2.2. If the caller’s User Agent Name is “Gateway”, the User Agent Name will be
removed
Matching Patterns Deploy Patterns
$request=^INVITE
user-agent=^GATEWAY$
user-agent=