Grandstream Networks HandyTone HT286 Product Related Questions page 14

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No, the GXP2000 extension module is only compatible with the GXP2000. Extension modules

for other GXP phones will be available in 2008.

GXV3000 FAQS

Q: What service providers or platform support the GXV3000?

ITSPs with pure SIP proxy (e.g. Iptel's SER); or ITSPs with hybrid SIP proxy (e.g. Digium

Asterisk™ R1.4, SBC or OBP) but supporting H.264 and H.263 when manipulating media.

Q: What are the functions of the USB ports?

The 2 USB interfaces are USB 2.0 host ports. The USB interface can be used for external USB

device like flash to store captured image, ring tones, phone address books (not implemented yet),

etc.

When a USB flash drive is connected to the USB 2.0 port, an icon will display in the lower

section of the LCD.

Q: Do I need a service provider? Can I make IP-to-IP call between video phones?

Yes, you need to have an Internet Telephony Service Provider (ITSP). You can also use "Direct

IP Call" to talk to each other in an ad hoc fashion without a SIP proxy. "Direct IP Call" can be

made between two phones if:



both phones have public IP addresses, or



both phones are in a same LAN/VPN using private or public IP addresses, or



both phones can be connected through a router using public or private IP addresses (with

necessary port forwarding or DMZ)

To make a direct IP call, press OK button to bring up MAIN MENU. Select "Direct IP Call".

Press OK key to bring up the input interface and then key in the 12-digit target IP address. Press

OK key to initiate call.

For example: If the target IP address is 192.168.1.60 and the port is 5062 (e.g.

192.168.1.60:5062), input the following: 192*168*1*60#5062 - "*" key represent "." and "#"

key represent ":". Press OK to dial out.

Or, you can select:

Use Quick IP-call mode: No

Then use "#xxx#" to call where xxx is the last octet of the IP address if both phones are in the

same LAN.

For example: If the target IP address is 192.168.1.60 and use default port 5060, then you can

just off hook the phone and press "#60#" or "#60" followed by SEND key to make the quick IP

Yes