registrar command with 26xx

convenientstore

Is there registrar command available under sip-ua in 26xx?

I did not see the option for them at website.

mikej412

Are you running CallManager Express on that 2600?

Cisco CallManager Express 3.3: Cisco CME for SIP Networks


And you're going to want to download this entire Book Length PDF (or a newer one) -- Cisco IOS Voice, Video, and Fax Configuration Guide, Release 12.2 -- but this link takes you to the Configuring SIP for VoIP chapter.