IPv6+IPv4 Solutions VoIP Gateway WellGate 2424O (24FXO) Dual IP Stack : IPv6 and IPv4 Simultaneously Support up to 16 SIP Trunk Servers Support different SIP Trunk to each FXO line Auto HTTP Provision feature Flexible Routes Plan, Dial Plan, Digit Manipulation Redundant Firmware Image (SIP, IPv6/IPv4) VoIP Gateway WellGate 2424S (24FXS) Support up to 16 SIP proxy Servers Support 24 analog Phone sets at one IP address Support different SIP Trunk to each FXS line Auto HTTP Provision feature Flexible Routes Plan and Dial Plan Redundant Firmware Image (SIP, IPv6/IPv4) VoIP Gateway WellGate 2522 (2FXS+2FXO) Dual IP Stack : IPv6 and IPv4 Simultaneously Support up to 4 SIP Trunk Servers Enhance existing PABX to VoIP Call Auto HTTP Provision feature Flexible Routes Plan, Dial Plan, Digit Manipulation Redundant Firmware Image (SIP, IPv6/IPv4) VoIP Gateway WellGate 2504 (4FXS) Dual IP Stack : IPv6 and IPv4 Simultaneously Support up to 4 SIP proxy Servers Support different SIP Trunk to each FXS line Auto HTTP Provision feature Flexible Routes Plan and Dial Plan Redundant Firmware Image (SIP, IPv6/IPv4) VoIP Gateway WellGate 2540 (4FXO) Dual IP Stack : IPv6 and IPv4 Simultaneously Support up to 4 SIP Trunk Servers Support different SIP Trunk to each FXO line Auto HTTP Provision feature Flexible Routes Plan, Dial Plan, Digit Manipulation Redundant Firmware Image (SIP, IPv6/IPv4) IP Phone LP-389 IPV6 and IPv4 Dual Stack simultaneously Support up-to 3 Register Accounts at three SIP Servers Rich Telephony Features Support Receive Instant Message (IM) Intelligent Phone Book Name Dialing Dual Flash Memory image backup Auto Provision feature Color : Blue and Black (SIP, IPv6/IPv4) IP-PBX SIPPBX 6200A Asterisk Base SIP IP-PBX IPv6 and IPv4 Dual Stack simultaneously Support up-to 200 Register Accounts with 50 concurrent calls Rich Telephony PBX Features Support IVR and Voice Mail Toll Restriction (SIP, IPv6/IPv4)