AudioCodes MP-20x Installationsanleitung PDF herunterladen (Seite 13)

AudioCodes Customer Support

Page 13

Q2: Why do I hear a fast busy tone after I pick up the phone (even though all SIP parameters

have been configured)?

The fast busy tone heard after the phone is off-hooked may be caused by the following:

 The SIP user is not registered. To check if your user is registered, perform the following:

a) Logon to the Web interface.

b) Access the ‘System Monitoring’ screen (System Monitoring menu), and then select

the Voice Over IP tab.

Figure 8: Verifying SIP User Registration in the Web Interface

 The line’s SIP Proxy user name and password is incorrect. To check this, perform the

following:

a) Logon to the Web interface.

b) Access the ‘Voice Over IP’ screen (Voice Over IP menu), and then select the Line

Settings tab.

c) Edit the required line.

Figure 9: Verifying SIP Proxy User Name and Password in the Web Interface

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AudioCodes MP-20x Installationsanleitung Seite 13