On 11/12/13 4:06 PM, Keith Croxford wrote:
Try this - * Polycom -*
Add this to your config file. This will cause the phone to respond with a '400 bad request' unless the INVITE comes from the registrar.
voIpProt.SIP.requestValidation.1.request="INVITE" voIpProt.SIP.requestValidation.1.method="source"
We will test this in the lab. Also suggested by Mauricio Lizano with the caveat that it could break things.
*Adtran (Only applies to the local SIP stack (voice users, trunks etc) ) *
Add an ACL, which only lists your proxy/SBC IPs
ip access-list standard my-proxy remark MY IP SPACE permit x.x.x.x y.y.y.y log
!Apply the ACL as a sip access-class ip sip access-class my-proxy in
This has already been done. -- Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net Impulse Internet Service - http://www.impulse.net/ Your local telephone and internet company - 805 884-6323 - WB6RDV