Broadvoice uses the same domain for the Registrar and the Proxy Servers. The following sample configuration was tested successfully. However, Broadvoice has not been qualified as an official SBCS SIP provider, so no extensive interoperability testing has been carried out.
!
ip host sip.broadvoice.com A.B.C.D
\\
Where A.B.C.D is the IP with the best response time from the following list: proxy.lax.broadvoice.com, proxy.dca.broadvoice.com, proxy.mia.broadvoice.com, proxy.atl.broadvoice.com, proxy.chi.broadvoice.com, proxy.bos.broadvoice.com, proxy.nyc.broadvoice.com
\\
!
sip
registrar server expires max 3600 min 3600
localhost dns:sip.broadvoice.com
no update-callerid
!
voice class codec 1
codec preference 1 g711ulaw
!
sip-ua
authentication username XXXXXXXXX password XXXXXXX realm BroadWorks
no remote-party-id
retry invite 2
retry register 10
timers connect 100
registrar dns:sip.broadvoice.com expires 3600
sip-server dns:sip.broadvoice.com
host-registrar
!
