1-PORT ISDN WITHNT-1WAN INTERFACE CARD(D (WAN/WIC Cards)
1-PORT 4-WIRE 56/64 KBPS WAN INTERF CAR (WAN/WIC Cards)
TWO-PORT VOICE INTERFACE CARD - FXO (WAN/WIC Cards)
1-Port T1/Fractional T1 DSU/CSU WAN Interface Card (WAN/WIC Cards)
TWO-PORT VOICE INTERFACE CARD - FXS (WAN/WIC Cards)
1-PORT ADSL WAN INTERFACE CARD (WAN/WIC Cards)
1-PORT RJ-48 MULTIFLEX TRUNK - T1 (WAN/WIC Cards)
1-PORT T1/FR T1 DSU/CSU WAN INTE CARD V2 (WAN/WIC Cards)
VOICE INTERFACE CARD - PLUG-IN MODULE (WAN/WIC Cards)
ICS-7750 4PT FXS OR DID VIC (WAN/WIC Cards)
2-PORT RJ-48 MULTIFLEX TRUNK - T1 W/ D&I (WAN/WIC Cards)
64-CHANNEL PACKET VOICE/FAX DSP MODULE (WAN/WIC Cards)
