call is not disconneting while auto attent configured

[shiyazbab@gmail.com1]

Hi,

we are using cisco ip phones 7970 series with 2900series voice gateway and cucm & CUC 7.i have configured auto attend in call manager.everything is working fine.but when the remote caller disconnects the phone and the operator is not attending the extension the extension is not disconnecting.it keeps on ringing for 3 to 4 minutes then it disconnects.i am from riyadh.and we are using STC analog POT line

kindly assist me with this

[Jonathan Schulenberg · Accepted solution]

Please read this:
https://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/8120-fxo-disconnect.html

Use ground start if possible; otherwise, you’ll need to properly train dual-tone supervisory disconnect.

[shiyazbab@gmail.com1]

Thank you very much jonathan it worked with no supervisory disconnect signal  

Thank you very very very much :D