Internet Telephony Gateway
 FXO / FXS Gateway
VGW-400FO
4-Port SIP VoIP Gateway (4 FXO)

VGW-400FS
4-Port SIP VoIP Gateway (4 FXS)

VGW-402
4-Port SIP VoIP Gateway (2 FXS + 2 FXO)

VGW-800FO
8-Port SIP VoIP Gateway (8 x FXO)

VGW-800FS
8-Port SIP VoIP Gateway (8 x FXS)

VGW-804
8-Port SIP VoIP Gateway (4 x FXS + 4 x FXO)
 FXO / FXS Gateway (H.323 & SIP)
VIP-880FS
8-Port FXS H.323 / SIP VoIP Gateway

VIP-1680
16-Port H.323 / SIP VoIP Gateway

VIP-1680FO
16-Port FXO H.323 / SIP VoIP Gateway

VIP-1680FS
16-Port FXS H.323 / SIP VoIP Gateway

VIP-2480
24-Port H.323 / SIP VoIP Gateway

VIP-2480FO
24-Port FXO H.323 / SIP VoIP Gateway

VIP-2480FS
24-Port FXS H.323 / SIP VoIP Gateway
 E1 / T1 Gateway
VIP-2100
E1 / T1 Internet Telephony Trunk Gateway

VIP-2400
4-Port E1 / T1 Internet Telephony Trunk Gateway
 Skype Gateway
SKG-300
Personal VoIP Gateway