I am new to this technology and forum and would appreciate any help. I'd like to set up VOIP in my home and was wondering what the licenses are, and what they mean,in the table below. Thank YOU. I've bolded and underlined the ones in question. Table 2. Cisco ATA 186 Analog Telephone Adaptors Description Part Number Cisco ATA 186 with 600 ohm impedance ATA186-I1-A Cisco ATA 186 with complex impedance (270 ohm in series with 750 ohm and 150 NF in parallel) ATA186-I2-A CallManager Unit license for each ATA (1 per device required) SW-CCM-UL-ANA Unit license for SIP, for each ATA (1 per device required) SW-SMH-UL-ATA-1P Cisco CallManager Express license for each ATA (1 per device required) SW-CCME-UL-ANA
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