Analog line sunset planning with clients
Overview
Carriers retire POTS; ATA replacements or full IP migration have deadlines. Clients ignore mailers until fax dies Friday 4pm.
Inventory
Every analog: fax, alarm, elevator, postage meter, blue light, legacy modem. Note mandatory battery/circuit requirements.
Paths
- ATA on SIP with QoS and monitored power.
- Cellular backup LTE where fiber cuts common.
- Full replace with IP-native device where certified.
Compliance
Fire/alarm often need AHJ approval—engage vendor early; your “simple VoIP project” is not simple legally.
Budgeting
Strange analog costs 10× SIP once carrier fully tariffs legacy; front-load TCO slide for CFO.
Cutover
Maintenance window + post-cut test script signed by facilities; keep truck roll vendor on standby.
Documentation
After sunset, archive old circuit IDs for five years—accounting disputes appear late.
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