How Many SIP Channels Do You Need? A Practical Sizing Method
Learn how many SIP channels your business needs using busy-hour concurrency, queue demand, headroom, worked examples and network capacity checks.
- Ben Carter
DTMF in VoIP: Fix Keypad Tones That IVRs Ignore
Fix DTMF VoIP failures with a capture-led guide to RTP events, SIP INFO, in-band tones, SDP negotiation, PBX routes and IVR testing.
- Ben Carter
VoIP Jitter: Measure It, Find the Bottleneck and Fix Choppy Calls
Diagnose VoIP jitter with a repeatable test across Ethernet, Wi-Fi and mobile data. Find the bottleneck, apply the right fix and verify call quality.
- Ben Carter
Auto Attendant Phone System: Design Menus Customers Can Use
Design an auto attendant phone system that routes callers clearly, handles no input and failed transfers, and gives every destination an accountable owner.
- Ben Carter
Missed Call Text Back: Recover Enquiries Without Annoying Callers
Design a missed call text back workflow with clear triggers, useful messages, human ownership, callback coordination, safeguards and pilot tests.
- Ben Carter
Cloud Phone System for Small Business: A Practical Fit Test
Use this practical fit test to decide whether a cloud phone system suits your small business, then validate connectivity, endpoints, security and recovery.
- Ben Carter
Softphone Headset Guide: Choose USB, Bluetooth or DECT for Business Calls
Choose a softphone headset for business calls. Compare USB, Bluetooth and DECT, then use a practical 15-call test before buying for your team.
- Ben Carter
SIP Trunking vs Cloud PBX: Keep or Replace Your PBX?
Compare SIP trunking vs cloud PBX by call control, lifecycle, resilience, cost and endpoint testing before you keep or replace your phone system.
- Ben Carter
Bria Alternative for MSPs: Test Provisioning and Push
Compare Bria alternatives for managed SIP deployments. Test provisioning, mobile push, security, branding and support before moving customers.
- Ben Carter
Asterisk Softphone App for iPhone and Android
Deploy an Asterisk softphone app for iPhone and Android with push notifications, secure SIP provisioning, TLS/SRTP, NAT checks, and SessionTalk options.
- Ben Carter
Android Softphone for Business: 2026 Setup Guide
Choose and configure an Android softphone for business VoIP. Learn SIP setup, push calls, TLS/SRTP security, provisioning, and buying tips.
- Ben Carter
How to Set Up a Softphone with FreePBX | Step-by-Step Guide (2026)
Set up a softphone with FreePBX step by step, covering extensions, SIP credentials, NAT, codecs, registration and inbound and outbound call testing.
- Ben Carter