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.

Nano-Node

• Set Rx Level to 100 on Nano-Node.
• Set Tx Level to 100 on Nano-Node.
• Set Rx Level to 705 for URIxB in simpleusb_tune_usb_xxxxx.conf.
• Set Tx Level to 705 for URIxB in simpleusb_tune_usb_xxxxx.conf.

On your MTM 5400

Set Rx Voice Level to 200.

Set Transmit A Level to 500.

For your URIxB connected to a DIU 3000

Set Rx Voice Level to 500.

Set Transmit A Level to 700.

PTTLink to DMR Plus Audio Settings

Analog_Bridge

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)