ADTRAN 1950859L1 User Manual

ADTRAN 1950859L1 User Manual Manual pdf 47 page image

ADTRAN IP SoftPhone User Manual Appendix A: Troubleshooting61950859L1-1A Copyright © 2006 ADTRAN, Inc. 47Two additional ports after 8001 are required for each additional line used. For example, if using a secondline, UDP ports 8002 and 8003 are used.If the firewall restricts incoming connections, you may need to use an outbound proxy to properly receiveaudio. Ask the VoIP service provider for an outbound proxy address and port number; then enter thosevalues into the ADTRAN IP SoftPhone in the following location:Settings Menu -> Firewall/NAT -> Firewall Outbound Proxy -> Users must also set the Use Outbound Proxy field (found with the above setting) to Always.Port forwarding is not required on a NAT.Multiple IP Addresses on the Same ComputerIf a user’s computer has more than one IP address, the ADTRAN IP SoftPhone may have difficultychoosing the correct address for softphone calls. To set the correct IP address manually, configure thefollowing settings as instructed below:Settings Menu -> System -> Network -> Auto-Detect IP Address: UncheckedLocal IP Address: [User Computer’s IP Address]NAT Firewall IP Address: [IP Address of the user’s NAT or firewall]Another solution is to disable all but one network adapter until after the ADTRAN IP SoftPhone starts.RPort AttributeSome VoIP providers do not support the “rport” signaling attribute. Check with the VoIP service providerfor details. To turn off “rport,” configure the following setting as instructed below:Settings Menu -> SIP Accounts -> [User’s Proxy] -> Advanced -> Use rport: UncheckedAudio ProblemsThis guide assumes that the computer’s sound and video system are working normally, and that the TuningWizard has been run at least once. To run the Tuning Wizard, right-click over the dial pad, and selectTuning Wizard.Table 8. Standard PortsPort Type and Number ServiceUDP 3478 STUNUDP 5060 SIPUDP 8000 RTPUDP 8001 RTCP