How to configure SIP trunk in HelloGrowthCRM
Connect your existing PBX or carrier via SIP trunk to HelloGrowthCRM. Bring your own carrier (BYOC).
What this guide helps you do
Follow this article when you want a focused, step-by-step path to complete the task without digging through menus.
Need a broader overview first?
Go back to the Calling & Telephony section to browse more guides, compare related tasks, and choose a better starting point.
View all Calling & Telephony guidesSIP trunk lets you bring your own carrier (BYOC) to HelloGrowthCRM — useful with favourable carrier rates (Tata, Airtel, Vodafone, BSNL).
How to use this guide
Read the intro to confirm this is the right workflow, complete the steps in order, then review the common issues and related articles if your setup behaves differently from the standard path.
What you'll need
- •Enterprise tier
- •SIP trunk provider
- •SIP credentials
- •Outbound to provider on UDP/TCP 5060/5061
- •Static IP for allowlisting
- •Network/IT support
- 1
Provision SIP credentials
Sign up with carrier. Get SIP URI, username, password, registrar.
- 2
Open Settings → Integrations → SIP Trunk
Enterprise tier only.
- 3
Enter SIP credentials
Paste URI, username, password, registrar. TLS port 5061 strongly recommended.
- 4
Configure transport and codecs
Transport UDP/TCP/TLS. Codecs G.711 or G.729. DTMF RFC 2833.
- 5
Set IP allowlist with carrier
Send our IPs from /docs/sip-ips to carrier for allowlist.
- 6
Configure DID numbers
Assign Direct Inward Dialing numbers to reps or queues.
- 7
Test outbound call
Click Place test call. SIP trace shows INVITE → 100 → 180 → 200 OK.
- 8
Test inbound
Have someone call DID. Should ring HelloGrowthCRM dialer with screen-pop.
- 9
Configure failover
Secondary trunk or fall back to Twilio. Auto-failover on 5+ failures.
- 10
Enable call recording
Recording requires media flow through HelloGrowthCRM (proxy mode). Adds ~50ms latency.
Frequently asked questions
SIP vs Twilio — which to choose?▾
Twilio for ease (15-min setup). SIP for cost (cheaper at >10K min/month).
Can I run Twilio AND SIP at the same time?▾
Yes — SIP primary, Twilio failover.
Does SIP support recording, transcription, AI?▾
All HelloGrowthCRM call features work over SIP.
Is SIP available on Pro tier?▾
No — Enterprise only.
Latency vs Twilio?▾
Comparable when both via India PoPs. SIP via local Indian carrier often lowest for India-to-India.
Architecture diagram?▾
Yes — /docs/sip-architecture.pdf.
Related articles
See it in product
Try it yourself
Start a 14-day free trial of HelloGrowthCRM — no credit card required. You'll have everything you need to follow this guide.
Still need help?
If this article does not match your account setup, rollout stage, or edge case, review more guides in Calling & Telephony or contact our team for direct help.
Harnish leads engineering at HelloGrowthCRM. He focuses on CRM architecture, AI agents, and integrations across calling, messaging, and revenue systems.
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