No voice between cisco routers.

The scenario.

You have CME ( Call Manager Express ) on router A & B

Router A or B places a call to itself, the call rings and voice traffic flows as normal. GREAT!

Router A or B places a call to the other router, the call rings GREAT!!!!! and voice traffic is silent , either in one direction or both. DAM!!!

1st thing to check even if the two devices are on the same subnet!

check the running config for "no ip routing"

router#sh run




if that is there then you need to enable ip routing, dont forget to save the config

router#conf t
router(config)#ip routing
router(config)#exit
router#copy run start


Test it again and hopefully all will be well.

Rob