What happens if the main SIP server loses connection? View answer
Can this gateway work with Grandstream's UCM series of IP PBXs? View answer
How many FXS ports does this gateway have? View answer
What type of Ethernet port is included in this gateway? View answer
What security features does this gateway offer? View answer
Does this gateway support 3-way voice conferencing? View answer
Is this gateway compatible with fax machines? View answer
What voice sampling rate does this gateway support? View answer
How many Ethernet ports are on the gateway? View answer
What mounting option is available for this gateway? View answer
What is the MSRP of this gateway? View answer
Does this gateway support echo cancellation? View answer
What protocols are supported by this gateway? View answer
What provisioning options are available for this gateway? View answer
What is the size of the downloadable file for the Grandstream GXW4200 Series Gigabit Gateways? View answer
