Echo on T1 calls

[SysTool]

We are getting an echo on inter office intercom calls via our point to point T1 (PRI) connection. What would cause the echo? It is not all of the time and varies in severity. Any suggestions would be appreciated.

 

[MetroMan]

That is usually echo on the T1 span itself, contact you carrier and tell them... In my area, the LEC has to usually put a T1 echo canceller card in at they're expense....

 

[SysTool]

Thanks MetroMan, however this is a private T1 via Rad MUX 11 hardware off Motorola Wireless Link. I will check with RAD Tech support as to whether or not they have Echo Cancelling somehow. Thank You.