What to know about business phones in Phoenix
Phone cabling inside a building follows the building code
Phoenix's building code says it regulates communications wiring run inside a building. Desk phones on a network use the same cable as computers, so that cable falls under the same rules. On a tenant improvement, we confirm how plan review treats it.
Source: Phoenix PBCC (IBC Ch. 1)
Most phone circuits do not need an electrical permit
Phoenix exempts Class 2 and Class 3 control and signal circuits from electrical permits unless they are essential for life safety. Whether a given phone circuit qualifies depends on how it's classified. Lines tied to a fire alarm or elevator are different, and you hear early if yours are.
Source: Phoenix PBCC (IBC Ch. 1)
Your phone depends on your internet line
A phone system that runs over the internet works only when the line does. Cox Business lists a 4-hour service level agreement on Phoenix business internet, and dedicated fiber for businesses that need it. Availability depends on address. A second connection keeps calls up if the first goes down.
Source: Cox Business Phoenix internet
Power outages take phones down too
SRP says its outage line is staffed around the clock at (602) 236-8888. Phoenix is served by both SRP and APS depending on address. We put the phone system and network switch on a battery backup so a short outage does not cut your calls.
Source: SRP outages and storms
Types of business phone systems
Most new systems are VoIP, which sends calls over your internet connection. A hosted system runs in a provider's data center and you own only the phones. An on-site system keeps the call controller in your rack. Both work. The choice turns on how many people use it, how much you want to manage and how much you rely on your internet.
Features owners ask for
A phone system is more than handsets. These are the parts owners ask for most.
- An auto-attendant that answers and routes: press 1 for reservations, 2 for catering.
- Ring groups, so the host stand, bar and kitchen phones ring together.
- Cordless handsets for servers, warehouse staff and managers who walk the floor.
- Voicemail sent to email.
- Call forwarding to a cell phone after hours.
- Overhead paging for a warehouse or a loud dining room.
Phones in Phoenix
Phoenix summers bring monsoon storms from June 15 to September 30, the National Weather Service's dates for the season, and storms bring power outages. A phone system that depends on the network goes quiet with the power. So we add battery backup on the equipment, a rule that forwards calls to a cell phone when the office is dark, and backup internet if you can't afford to miss calls.
Restaurants and medical suites get the most from forwarding rules, since a missed call is a missed reservation or patient.
How phones sit on your network
Desk phones take power and data from one network cable. We put them on their own network segment so voice stays clear when someone downloads a big file. Your number is set up with your provider or moved from the old system, and we test inbound and outbound calls before cutover. You can keep your existing numbers.
Keeping the system running
Phone systems fail in small ways: a handset that won't register, a voicemail box that fills up, a switch that loses power. Keep a list of extensions and who owns each, and tell us when staff change so we can update names and ring groups. We label the phone panel and the switch ports so any technician can trace a line quickly.
When a call sounds choppy, the cause is usually the network, not the phone. We check the cable, the switch port and the internet line, in that order.
Install steps
- Count phones and rooms and trace cable paths on a walkthrough.
- Write the call plan: who answers, where calls ring and what callers hear after hours.
- Wire, install phones and set up the system around your hours.
- Test, then cut your numbers over.
- Train staff. Service runs Monday to Friday, 8 AM to 5 PM.
Often paired with
Phones depend on structured cabling, a steady line from backup internet and a healthy business WiFi network for cordless handsets. More of our Phoenix work is on the Enzo in Phoenix page.
