Replacing an older PBX or analog phone system takes more than ordering new desk phones. Your business needs a plan for its phone numbers, call flow, network, staff, and the day calls move to the new platform. Business Communication Solutions (BCS) helps businesses in Austin and surrounding cities inventory the old system, select an appropriate cloud, hybrid, or on-premise solution, and complete the cutover.
Planning a move? Call 512-257-1433 to discuss your current system and timeline.
1. Inventory the phones and lines you actually use
Start with every published number, direct inward dial (DID), extension, hunt group, fax line, paging connection, conference room, and shared phone. Walk the site: a line in a stockroom, lobby, elevator landing, pool area, or alarm panel can be easy to overlook. Confirm which devices are analog, which are IP-based, and which are connected to the existing PBX. Record how many calls your business needs to handle at once.
For hotels, the inventory also includes guest rooms, front desk, house phones, emergency phones, and property management system (PMS) connections. See our hotel analog phone migration guide. Retail stores should document checkout, office, cordless, paging, and after-hours call requirements; see our retail phone system services.
2. Map the call flow before choosing equipment
Write down what happens when someone calls during business hours, after hours, and on holidays. Identify the main greeting, department choices, ring groups, voicemail, overflow, transfers, and any answering service. Note which employees need a desk phone, a cordless phone, a desktop app, a mobile app, or a combination. A migration is a good time to fix call paths that send customers to the wrong person or leave messages in an unmonitored mailbox.
3. Choose the platform and check compatibility
Cloud VoIP, an on-premise PBX, and a hybrid design each have different costs and dependencies. Existing phones may or may not be reusable on a new platform; verify the exact model and provisioning support before assuming they will work. Analog devices may need an adapter, a suitable line service, or a separate design. BCS works with Intermedia, Wildix, and Aeonix and also supports many legacy phone systems.
Compare the entire project, including licenses, handsets, cabling, programming, training, and support. Our Austin business phone system cost guide outlines common cost factors.
4. Prepare the network, power, and internet backup
IP phones depend on working Ethernet cabling, switches, power, and an internet connection when the phone service is cloud-based. Test cabling, confirm switch ports and Power over Ethernet (PoE) capacity, review voice network settings and call quality, and check the upload path for remote staff. A battery backup can keep the modem, firewall, switches, and phones running through a short power interruption if sized for the equipment and desired runtime.
Decide what happens when the primary internet service fails. Depending on the platform and network design, BCS can help configure a second carrier or cellular connection and test failover. A mobile phone app may let staff continue taking calls over cellular while the office has an outage, provided the cloud service, device, and routing remain available. See our voice and data cabling and Ethernet and PoE services.
5. Plan number porting and the cutover
Collect a recent bill, the account name and address, all numbers to be moved, and any carrier information required by the new provider. Confirm which lines should stay with the old carrier until replacement service is ready. Porting dates and requirements vary, so do not cancel the existing phone service before the numbers move and incoming and outgoing calls are tested.
Build a cutover checklist: configure users and greetings, connect and test devices, check outbound caller ID, route emergency calling according to the selected service and each device location, test inbound numbers and voicemail, and verify after-hours behavior. Tell staff when the change is happening and who to call if a phone does not work.
6. Train staff and test after go-live
Give front desk staff, receptionists, and managers a short hands-on session for transfers, voicemail, mobile apps, and changing the holiday or after-hours schedule. Test a real call through each important path. After go-live, monitor missed calls, call quality, voicemail delivery, and complaints. Document admin access, support contacts, and the final call flow so the next change is easier.
Questions to answer before your phone migration
- How many users, locations, shared phones, and simultaneous calls are needed?
- Which phone numbers, fax lines, paging devices, and analog or specialty endpoints must be retained?
- Do you need cordless handsets, mobile apps, business texting, contact center features, or PMS integration?
- Will current desk phones, cabling, switches, and internet connections support the new design?
- What is the plan for an internet or power outage?
- Who will approve the new call flow, train staff, and test the cutover?
BCS can help with the whole transition
BCS can assess your current phone system, network, and cabling; compare platform options; coordinate installation and number porting; set up call routing and devices; and provide local Austin-area troubleshooting after the move. We also help businesses keep a working older system stable while they plan a practical replacement.
Explore our business phone system services in Austin or call 512-257-1433. If your phones already have choppy audio, registration failures, or dropped calls, see our VoIP troubleshooting and support services.