Case 3: pstn phone to gateway phone, 6 voip in a dynamic ip environment, Voip in a dynamic ip environment – TRENDnet TVP-224HR User Manual

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TVP-224HR User’s Guide

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Case 3: PSTN Phone to Gateway Phone

Phone A, number 7777-1234 calling Gateway B phone 203

Caller Operation at

Phone A

Equipment Operation

Receiver Operation at GW

B phone 203

Pick up phone A

1. PSTN dial tone is heard.

Dial 8888-2222

1. Call being processed

2. PBX plays voice greeting

Dial 22203

(22204)

1. Du Du tone is heard

2. VoIP call processing

Ring back tone is heard

1. GW A Line 1 LED “ON”

Phone 203 is ringing

1. GW B Line 3 LED “ON”

Receiver Picks up phone
203

VoIP Conversation

VoIP Conversation

The above dialing process is the same for any calls made from GW A local PSTN to
remote phone numbers 203 & 204.

L

Case 1-3 Sample Dial Plans show the possible analog phone / PBX /
PSTN integration / applications of the Gateway. Disconnect cadence
provided by your phone company for your PSTN line and disconnect
cadence provided by your PBX may require additional matching with the
gateway. This will require the assistance of your PBX supplier and / or
Systems Integrator. Please also see User’s Guide for additional
information.

10.6 VoIP in a Dynamic IP environment


Internet Access

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