Specifications include, but are not limited to: a. CAMA 9-1-1 i. Provide Lines Voltage and Talk Battery ii. Support 8, 10, 20-Digit CAMA delivery iii. Support NENA-STA-027.3-2018 (originally 04-001)Trunk Maintenance Test Call response iv. Support CAMA analog Flash-Hook v. Support 2-stage ANI delivery vi. Support long Wink Time vii. Support All-Busy viii. Support Call Delivery on ANI transmission failure ix. Support redundant call destination routing x. Support alternative SIP routing destinations xi. Support Simultaneous SIP Destination delivery xii. Echo Cancellation xiii. Support dual LAN redundancy xiv. RX/TX Audio Adjustment xv. DTMF Audio Level Adjustments b. (Plain Old Telephone System) Administrative Lines i. 12 and 24 Port FXO VoIP Gateway devices ii. Support US 2-Wire analog line types iii. Support US 2-Wire Caller ID types iv. Support analog Flash-Hook v. Support Ring Down circuits vi. Support redundant call destination routing vii. Support alternative SIP routing destinations viii. Support Simultaneous SIP Destination delivery ix. Support Inbound Caller ID manipulation x. Support SIP Phone to POTS line access bypass xi. Support Outbound dial string number manipulation xii. Echo Cancellation xiii. Support dual LAN redundancy xiv. RX/TX Audio Adjustment on an individual circuit or global basis xv. DTMF Audio Level Adjustments on an individual circuit or global basis c. T1/E1 PRI-ISDN Administrative Lines i. Up to 96 simultaneous calls per gateway device ii. Each device supports up to four T1s iii. Variable length DID iv. Support NI-2, DSS-1, INS-NET, and DMS-100 ISDN protocol types v. Support redundant call destination routing vi. Support alternative SIP routing destinations vii. Support Simultaneous SIP Destination delivery viii. Support Inbound Caller ID manipulation ix. Support Outbound Caller ID manipulation x. Support SIP Phone to T1/E1 PRI line access bypassSupport FAX to PRI bypass xi. Support Outbound dial string number manipulation xii. Echo Cancellation xiii. Support dual LAN redundancy xiv. RX/TX Audio Adjustment on an individual circuit or global basis xv. DTMF Audio Level Adjustments on an individual circuit or global basis