User's Manual

4-/8-/16-/24-/32-Port SIP Internet Telephony Gateway
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2.6 Three-way Calling
Three-way calling
A calls B,B picks up the phone, then A and B enters into conversation;
A presses the hook flash, and the call between A and B is placed on hold. Then C calls A and A
answers the call.
A presses hook flash again, then the calls between A and B and between A and C are placed on
hold. At this time, if A presses 1 , conversation between A and B is resumed; if A presses 2, conversation
between A and C is resumed; if A presses 3, A, B and C enter into conversation.
2.7 Description of Feature Codes
The VGW-X20FS SERIES gateway supports all traditional and senior phone functions. It provides
feature codes for easy maintenance and easy entry to phone functions.
Feature Codes Corresponding Function
*158# Dial *158# to inquiry the IP address of LAN port
*159# Dial *159# to inquiry the IP address of WAN port
*114# Dial *114# to inquire port account
*150* Dial *150* to set the way of obtaining IP address
*157* Dial *157*0 to set route mode; dial *157*1 to set bride mode
*152* Dial *152* to set IPv4 address
*153* Dial *153* to set subnet mask
*156* Dial *156* to set default gateway’s IP address
*193# Dial *193# to renew the IP address
*160*1# Dial *160*1# to open WAN port to visit web
*166*000000# Dial *166*000000# to reset to factory defaults
*111# Dial *111# to restart the gateway