Human Add AI help center covers call forwarding setup for every major US carrier (Verizon, AT and T, T-Mobile, Spectrum, Comcast, RingCentral, Google Voice, OpenPhone, and twelve more), PWA install instructions for the mobile dashboard, knowledge base editing, and account management. Most setup guides take under five minutes to complete.
Comcast Business Voice (including Business VoiceEdge) supports two easy ways to forward calls: the classic *72 star code from your handset, or the web portal. This guide covers both.
The quick version
Comcast Business Voice (also branded "Business VoiceEdge" on newer accounts) supports both star codes and a web portal. Easiest: dial *72 from your Comcast Business phone, enter the 10-digit destination, hang up. Or use the portal at business.comcast.com/myaccount.
Method 1: Star code from your desk phone
1
Pick up your Comcast Business phone and listen for a dial tone.
2
Dial *72. You'll hear a new dial tone or a prompt.
3
Enter the 10-digit destination number (no 1, no spaces). Press the pound key # after the number on some phones.
4
Hang up. You'll hear two short tones that confirm forwarding is active.
5
Test by calling the Comcast Business number from another phone.
Click Voice in the left navigation, then Voice Features.
3
Pick the phone number you want to forward from the list.
4
Find "Call Forwarding Always" and toggle it on. Enter the destination number. Click Save.
5
Test - changes apply within 30 seconds.
Advanced forwarding on Business VoiceEdge
If you have the VoiceEdge product (Comcast's hosted PBX for larger deployments), the portal gives you finer-grained controls:
Selective call forwarding - only specific callers forward.
Call forwarding busy / no answer - only when the line is engaged or unanswered.
Time-of-day routing - forward everything after business hours to your AI, take calls yourself during the day.
Things worth knowing
Star codes work on Comcast Business analog lines and on most VoIP lines from the provided handset. They may not work from a softphone app - use the portal in that case.
Forwarded calls count against your Business Voice plan's minutes if you have a metered plan. Most unlimited plans don't charge extra.
If you use Polycom or Cisco desk phones provided by Comcast, the display may show "CFW" or "Forward" when forwarding is active.
Forwarding to an AI receptionist?
The whole reason you're reading this is probably to stop missing calls. If you're setting up call forwarding to send calls to a voice assistant, an answering service, or an AI, the steps above are the same - you just enter their number as the forward-to destination. Human Add AI gives you a dedicated AI receptionist that answers 24/7, captures every caller's intent, and texts you the details. Try it free for 7 days →
Troubleshooting
Star codes return a fast busy. Your plan may not include Call Forwarding Always. Sign in to the portal - if the feature isn't listed, contact Comcast Business at 1-800-391-3000.
Portal won't save changes. Try a different browser (Comcast's portal can misbehave in older Safari versions) or clear your browser cache. Make sure pop-up blockers aren't interfering.
Callers reach voicemail instead of the forward. Your "no answer" timer may be too short. In the portal, set "Call Forwarding Always" (not "No Answer") so every call routes, or increase the ring-timer.
Forwarding worked yesterday but not today. A network update can sometimes clear forwarding rules on Comcast. Redo the star code or re-save in the portal.
Every Human Add AI trial gives you a dedicated local phone number with a fully custom AI receptionist on the other end. Free for 7 days, $10 refundable activation.
Starter is $497 a month for up to 200 calls, with one AI assistant and one business number. Professional is $997 a month for unlimited calls and up to 3 AI assistants, and connects to your CRM (the software you track customers in). Enterprise starts at $1,997 a month. Every plan answers 24/7, books appointments and texts you each lead. Start with a 7-day free trial ($10 activation fee, credited to your first bill), backed by a 30-day money-back guarantee. See full pricing or call the demo line at (617) 812-5251.
What changes after the first month on the platform
After thirty days on Human Add AI, three things have changed for the typical operator. First, the recovered-revenue math has compounded into a concrete dollar number that the operator can see in the dashboard and in the bank account. For most single-location service businesses, the first-month recovered revenue lands between $6,000 and $25,000, against a $497 to $997 plan cost. The platform has paid for itself many times over, and the operator mental model has shifted from "evaluating a new vendor" to "operating a critical revenue tool".
Second, the agent has been tuned to the specific cadence of the business. Tuning continues forever (every business evolves, every season brings new call patterns, every new service line needs new intake questions), but the bulk of the agent customization is done in the first 30 days. After that, the operator can edit the knowledge base from the dashboard for most changes and only needs to ping the Human Add AI team for the larger script revisions.
Third, the operator has started thinking about the second-order use cases the platform unlocks. Outbound missed-call callback usually goes live in month two for operators on Professional or Enterprise. Appointment reminder calls usually go live in month three. By month four, the platform is doing both inbound and outbound work that previously required either a part-time staffer or a separate scheduling service, and the operator is running a tighter business with the same overhead.
The under-discussed second-order benefits
Most operators sign up for Human Add AI to fix one specific problem (missed calls, voicemail leakage, expensive virtual receptionist bills) and then discover a few second-order benefits that did not show up in the original ROI calculation. The biggest is the reduction in cognitive load: the phone stops being a tax on the operator attention, which frees mental bandwidth for the harder work of running a service business.
The second is the data infrastructure. Every call is recorded, transcribed, sentiment-scored, and tagged with the intake answers. After six months of operation, the operator has a searchable database of every customer interaction, which becomes useful in unexpected ways: identifying the most common objections, spotting the price-shopping patterns by neighborhood, tracking how the seasonal call mix shifts, and proving claims in any dispute.
The third is the team-onboarding lift. New employees joining the business can listen to hundreds of real customer calls during their first week, which is the fastest way to absorb how the business actually talks to customers. The dashboard has filters for service type, time of day, and outcome, so new staff can sample the conversations that map to their role.
