When using T1 CAS signaling, which bits are used to transmit signaling informationwithin each voice channel?
Here are a couple of links that may help you.
"Understanding How Digital T1 CAS (Robbed Bit Signaling) Works in IOS Gateways"https://www.cisco.com/c/en/us/support/docs/voice/digital-cas/22444-t1-cas-ios.html
"Configuring and Troubleshooting T1 CAS Signaling"https://www.cisco.com/c/en/us/support/docs/voice/digital-cas/24642-cas-config.html
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: