Sip (cisco как клиент)

отсюда

2 варианта настроек (на выбор):

1. Configure SIP: Gateway HTTP Authentication Digest Via Dial-Peer

   dial-peer voice {tag} pots
    authentication username {sipid}@sipnet.ru password {password}
   !
   dial-peer voice {tag} voip
    session target dns:sipnet.ru

2. Configure SIP: Gateway HTTP Authentication Digest Via SIP UA

   sip-ua
    authentication username {sipid}@sipnet.ru password {password}
    sip-server dns:sipnet.ru
   !
   dial-peer voice {tag} voip
    session target sip-server