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Grandstream Networks 502 - Can’t Make Calls?

Grandstream Networks 502
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4.
Connect the supplied Ethernet Cable from any
LAN port on your Internet Modem to the WAN
port of the Comwave VoIP Adapter.
Connect your telephone to the PHONE 1 port of
the VoIP Adapter.
Connect the VoIP Adapter to the power bar.
Note: Wait 5 minutes and do not disconnect as
you could cause damage to the VoIP Adapter.
Test your phone line, you should have a dial tone
and be able to make calls.
1
step
2
step
3
step
4
step
Cant make calls?
1
2
3
4
Disconnect the power from
both the Internet Modem
and VoIP Adapter and wait 1
minute.
Connect your Internet
Modem to a power bar and
wait 2 minutes.
Connect the VoIP Adapter
to the power bar and wait 5
minutes.
Still unable to make a call?
Open a ticket online at
www.comwave.net/help
If you do not hear dial tone or
are unable to make or receive
calls, try the following steps to
resolve the issue quickly.
All manuals and user guides at all-guides.com

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