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PROVIDE, INSTALL AND MAINTAIN A 1.544 MB (T-1) NATIONAL ISDN-1 SERVICE WITH 23 B CHANNELS AND ONE D CHANNEL (23B+D) WITH 64K VOICE AND DATA ON ALL B CHANNELS WITH A PRI HANDOFF (E-PRI). CONVERT THIS C... PROVIDE, INSTALL AND MAINTAIN A 1.544 MB (T-1) NATIONAL ISDN-1 SERVICE WITH 23 B CHANNELS AND ONE D CHANNEL (23B+D) WITH 64K VOICE AND DATA ON ALL B CHANNELS WITH A PRI HANDOFF (E-PRI). CONVERT THIS CIRCUIT FROM TDM PRI TO IP TRANSPORT (ETHERNET WITH PRI HANDOFF). REQUEST SUPPORT FOR G.711 AND 64K UNCOMPRESSED. PRI MUST SUPPORT VIPER SECURE PHONES