ATA 190 no dial tone

[crough1957]

ATA 190 Version 1.2.2(003)  CMCU System version: 12.5.1.12900-115.

connected to CM without issue, can dial internal, external, and receive calls.  The unit will not provide any dial tone.

[LLJohnson]

Dialing works as desired, inbound, outbound, internal. All work, but there is no dialtone played when going off hook. 

[lpersing]

This thread might be of help:

https://community.cisco.com/t5/ip-telephony-and-phones/ata-190-registered-no-dial-tone/td-p/3043785

They dialed a 9 to get tone.