
Chapter8. SIP Services
Here,you select if SIP URL encryption should be used or not.
Expires header
SomeSIP clients don’t understand the expires: parameter in the Contact header. To set the expiration time for those
clients,you can make the Telecommuting Module add to REGISTER request replies an Expires header with the
expiresvalue in it.
Selectto Always add Expires header,Never add Expires header, or Add Expires header if the request
containedone. The last means that the Telecommuting Module will add an Expires header to the response if the
requestfrom the client contained one.
Local IP Addresses Are SIP Domains
Your3Com VCX IP Telecommuting Module can be made to use all its local IP addresses as local SIP domains, in
additionto the domains listed on the User database page.
Thissetting have impact on all functions where distinctions can be made between local and other domains, like the
SIPMethods and the Matching Request-URI.
Selectif the Telecommuting Module should regard all its own IP addresses on all interfaces as local SIP domains.
User Matching
Here,you can select to match on username only or username as well as domain.
Ifyou match on username only, users with the same username will be treated as the same, even when they are under
differentdomains.
Force Record-Routing For Outbound Requests
Here,you select if the Telecommuting Module should add a Record-Route header to all requests received by the
TelecommutingModule, but whose Request-URI does not contain one of its Local SIP Domains.
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