If you have CME version 9.0 or later , here is the config :
Configuring Voice and T.38 Fax Relay on Cisco ATA-187
To configure voice and T.38 Fax Relay on Cisco ATA-187, perform the following steps.
Cisco Unified CME 9.0 or a later version.
•H.323 trunk calls are not supported.
•Hardware conferencing with DSPFarm resource is not supported on Cisco ATA-187 in Cisco Unified CME 9.0. With the correct firmware (9.2(3) or a later version), local three-way conferencing is supported.
Specifies the global default ITU-T T.38 standard fax protocol to be used for all VoIP dial peers.
•ls_redundancyvalue— (Optional) (T.38 fax relay only) Specifies the number of redundant T.38 fax packets to be sent for the low-speed V.21-based T.30 fax machine protocol. Range varies by platform from 0 (no redundancy) to 5 or 7. Default is 0.
•hs_redundancyvalue— (Optional) (T.38 fax relay only) Specifies the number of redundant T.38 fax packets to be sent for high-speed V.17, V.27, and V.29 T.4 or T.6 fax machine image data. Range varies by platform from 0 (no redundancy) to 2 or 3. Default is 0.
•fallback—(Optional) A fallback mode is used to transfer a fax across a VoIP network if T.38 fax relay could not be successfully negotiated at the time of the fax transfer.
•pass-through—(Optional) The fax stream uses one of the following high-bandwidth codecs:
–g711ulaw—Uses the G.711 u-law codec.
–g711alaw—Uses the G.711 a-law codec.
Exits voice-service configuration mode.
voice register poolpool-tag
Router(config)# voice register pool 11
Enters voice register pool configuration mode to set phone-specific parameters for a Cisco Unified SIP phone in Cisco Unified CME.
•pool-tag—Unique number assigned to the pool. Range: 1 to 100.
Router(config-register-pool)# id mac 93FE.12D8.2301
Identifies a locally available Cisco Unified SIP IP phone.
•macaddress—Identifies the MAC address of a particular Cisco Unified SIP IP phone.
Router(config-register-pool)# type ATA-187
Defines a phone type for the SIP phone being configured.
Router(config-register-pool)# ata-ivr-pwd 1234
(Optional) Defines a password to access interactive voice response (IVR) and change the default phone settings on Cisco Analog Telephone Adaptors.
•password—Four-digit or five-digit string to be used as password to access IVR. Password string must contain numbers 0 to 9.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
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