Proxy Mode

Parameter group

VoIP SIP Signalling

Applicability

DTEA and DTNA

Access level

Admin

Possible values

None
Local Proxy
Automatic Services DNSSRV
Proxy Routing Table

Defaults

None.

Explanation

Specifies the method that will be used to route the SIP calls.

None specifies that Blueworx Voice Response is not to use a proxy. If a gateway is to be used, the address should be entered in the Default Destination URI field. If this field is left blank calls are sent directly to the endpoint.

Local Proxy specifies that Blueworx Voice Response is to route all SIP messages through a single Proxy, which is defined in the Proxy Address field.

Automatic Services DNSSRV specifies that the routing address is to be determined from a list of values returned by a DNSSRV lookup. This allows multiple proxies to be defined. Proxies can be assigned to specific services and be allocated a weighting to support load balancing.

Note: The Automatic Services DNSSRV method is not currently supported. If selected, the Manual Services Routing Table method will be used in its place.

Proxy Routing Table: The Manual Services Routing Table defined in /usr/lpp/dirTalk/db/sys_dir/srv.init (where an example srv.init file can be found) allows SRV request records to be manually entered into the srv.init file. The information in this file will then be used for routing by SIP signaling. If the request records contain weights and priorities, scheduling of services is maintained according to RFC 2782. The srv.init file can be configured dynamically whilst VoIP is running. Any changes made will be reflected within approximately 60 seconds of the file being saved.