4.Enable the STUN service to penetrate the NAT network when using SIP protocol.
【protocol settings】Æ Press ENTER several times Æ LCD shows【nat traversal】Æ Press SPD/HOLDÆ Press 4 (Enable STUN) and then press ENTER Æ Press ENTER Æ LCD shows【nat addr】Æ Input STUN server IP address (XXX*XXX*XXX*XXX, where X is any number or character) and then press ENTER.
5.Configure the
【protocol settings】Æ Press ENTER several times Æ Press VOL+ several timesÆ LCD shows【local type】Æ Press SPD/HOLD.
•Press 0 (Input the phone number as E.164 to register to the server) and then press
ENTER.
•Press 1 (Input the account number) and then press ENTER. If this option is used, please also configure step 7 and 8.
6.Configure
【protocol settings 】Æ Press ENTER several timesÆ LCD shows 【account 】Æ
Press SPD/HOLD Æ Input register account (XXX) and then press ENTER.
7.Configure
【protocol settings 】Æ Press ENTER several timesÆ LCD shows 【pin 】Æ Press SPD/HOLD Æ Input account password (XXX) and then press ENTER.
8.Configure
【protocol settings】Æ Press ENTER several timesÆ LCD shows【register port】Æ Press SPD/HOLD Æ Input register port (XXX) and then press ENTER.
5.3 Audio Settings:
1.Press 1234# (Hold the “#” key) Æ LCD shows【password】Æ Press 1234 and then press ENTER Æ LCD shows【network settings】Æ Press VOL – several times Æ LCD shows 【audio settings】.
2.Configure the codec type for
【audio settings】Æ Press ENTER Æ LCD shows【audio type】Æ Press SPD/HOLD.
•Press 0 (configure the codec as G.729) and then press ENTER.
•Press 1 (configure the codec as G.723.1) and then press ENTER.
•Press 2 (configure the codec as G.711u) and then press ENTER.
•Press 3 (configure the codec as G.711a1) and then press ENTER.
•Press 4 (configure the codec as auto) and then press ENTER.
3.Configure the volume of the phone handset and speaker.
【audio settings 】Æ Press ENTER several times Æ LCD shows 【handset in 】Æ Press SPD/HOLD Æ Input the volume of the phone handset and speaker (Default is 7, Max is 15) and then press ENTER.
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