PTTLink Tips

Test NodeNames file

sudo nano /var/lib/asterisk/rpt_extnodes

Audio Level Settings

On your MTR-2000

This settings are considered using a DMK Engineering URIxB interface.

Set Rx Wireline Level to 0 dBm.

Set Tx Wireline Level to 0 dBm.

On your PTTLink node

This settings are considered using a DMK Engineering URIxB interface.

Set Rx Voice Level to 950.

Set Transmit A Level to 999.

On your Nano-Node

Set Rx Level to 95.

Set Tx Level to 99.

PTTLink to DMR Plus Audio Settings

usrpAudio = AUDIO_USE_AGC  ; Digital -> Analog (AUDIO_UNITY, AUDIO_USE_GAIN, AUDIO_USE_AGC) usrpGain = 5.00  ; Gain factor when usrpAudio = AUDIO_USE_GAIN (0.0 to 5.0) (1.0 = AUDIO_UNITY) usrpAGC = -20,16,100  ; Set the agc threshold (db), slope (db) and decay (ms) tlvAudio = AUDIO_USE_GAIN  ; Analog -> Digital (AUDIO_UNITY, AUDIO_USE_GAIN, AUDIO_BPF) tlvGain = 0.15  ; Gain factor when tlvAudio = AUDIO_USE_GAIN (0.0 to 5.0) (1.0 = AUDIO_UNITY)