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Render Webhooks
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6
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13
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May 20, 2026
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Two Feature Questions — Timezone-Based Calling & Callback Priority in Call Queue
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2
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9
|
May 20, 2026
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Does Retell forward the system prompt verbatim to OpenAI (for prompt-cache eligibility)?
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2
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14
|
May 18, 2026
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Stuck on SIP 478 "Unresolvable destination" for BYOC outbound
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2
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4
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May 15, 2026
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Add MCP Server to Retell AI agent throws 500 server error
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3
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29
|
May 14, 2026
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Retell AI Transcript Parsing Issue in Zapier (Need Structured Data Extraction Help)
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1
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8
|
May 6, 2026
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Enterprise Plan Inquiry — 10,000 Daily Outbound Calls via Batch Call API
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4
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29
|
May 4, 2026
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Retell AI + Cal.com Integration STUCK
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14
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43
|
May 4, 2026
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UK Telnyx number returning Q.850 cause code 17 / User Busy - calls never reach Retell
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5
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19
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April 30, 2026
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Inbound calls to NZ number not appearing in call logs — possible carrier provisioning issue
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1
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8
|
April 27, 2026
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RetellAI Can't Crawl Site due to blocked by hosting firewall
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5
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17
|
April 25, 2026
|
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CHATGPT Integration
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22
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48
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April 21, 2026
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The agent's API doesn't include the price
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6
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21
|
April 17, 2026
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Not receiving any post request on Webhook URL when phone_call
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6
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24
|
April 13, 2026
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Your recent change to outage mode broke my system
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3
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15
|
April 10, 2026
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Building a hardware prototype using a Raspberry Pi Zero 2 W headless
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3
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21
|
April 10, 2026
|
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Is there no way to use the assistant via a web interface in Retell, as is possible with VAPI?
|
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1
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9
|
April 10, 2026
|
|
Subject: Re: [IMMEDIATE ACTION REQUIRED] Breaking Retell AI API change
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|
2
|
37
|
April 1, 2026
|
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Go High Level Integration - Meta Data / Function help
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3
|
28
|
April 1, 2026
|
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AI Agent redirect missing call logs in Retell
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3
|
14
|
April 1, 2026
|
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Post Call Data Extraction Custom
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|
1
|
27
|
March 30, 2026
|
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Unable to use ChatGPT app
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3
|
14
|
March 23, 2026
|
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New language supported by ElevenLabs natively but not here?
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|
11
|
79
|
March 20, 2026
|
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Retell Ai integration with Bridgei2P
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0
|
6
|
March 18, 2026
|
|
Custom STT Integration for Taiwanese Hokkien — Using Self-hosted Whisper Model
|
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2
|
24
|
March 18, 2026
|
|
Configuring query parameters for a custom GET function in Retell
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|
7
|
41
|
March 16, 2026
|
|
Error using book appointment feature for cal.com
|
|
4
|
36
|
March 11, 2026
|
|
Cannot connect retell/twilio - INVITE failed: sip status: 400: Invalid From Header”
|
|
10
|
25
|
March 10, 2026
|
|
Elevenlabs V3 in Swahili
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|
3
|
23
|
March 9, 2026
|
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Enable Albanian language speech recognition ( multilingual STT )
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2
|
21
|
March 3, 2026
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