Cisco NM-HDV2 - IP Communications High-Density Digital Voice Network Module Cisco Router Network Module Retail $199.00
Cisco NM-HD-2V - Two-slot IP Communications Voice/Fax Network Module Cisco Router Network Module Retail $109.00
Cisco EM-HDA-8FXS - 8-port voice/fax expansion module - FXS Cisco Router Network Module Retail $129.00
Cisco NM-HD-1V - One-slot IP Communications Voice/Fax Network Module Cisco Router Network Module Retail $199.00
Cisco EM-HDA-6FXO - 6-port voice/fax expansion module - FXO Cisco Router Network Module Retail $99.00