Hello Radim, thanks for your observation, i have added the ip pim sparse-dense-mode commands in Vif1 and Gi0/0 interfaces. i also want to know before i test with the added config.........where am i suppose to configure multicast? on my access switch ...

i can send voice signal from the IDC to the phones, but i can't reach radio. i will try the commands......find attached the config on my RMS.

yes i have two 7975 phone on a CUCM, integrated with the IPICS server, i have a cable connecting  the GM300 radio to the E&M port on my RMS.  i can push a call from the DC to the IPphones but when i patch the radio channel, no signal.

first you need to get an interface cable from this site: http://networkedradio.com/ then the configuration, you can find a step by step from the SRND guide doc. i have a GM-300 radio with the interface cable to the E&M port, i've done the config step...

hi, your LMR (Land Mobile Radio) should be the base station Radio. there is an interface cable between the LMR and the RMS E&M port....depending on the type of radio you intend to use....the interface cable are of different types.