Integrations / Business phone systems and carriers

Use AssistCall with Comcast Business

Keep your Comcast Business number. Forward it to AssistCall when you're busy, don't pick up or after hours, and every call gets answered, booked or turned into a message, with a summary by email.

Comcast Business: Comcast's internet and business phone service (Business Voice and VoiceEdge) for offices, shops and restaurants in its cable footprint.

Connects

Example call

During the lunch rush a caller asks a pizzeria whether it caters for 40 people. The line is busy, so *90 forwarding sends the call to AssistCall, which takes the date, headcount and callback number and emails the owner the message.

• Turn on no-answer forwarding to your AssistCall number so calls the front counter can't get to are answered and turned into messages or bookings.
• Use busy forwarding (*90) so callers reach the receptionist instead of a busy signal while your one line is in use.
• Forward all calls from the Comcast Business portal at closing time so the receptionist handles after-hours calls and emails each summary and recording link.

How it connects

• Call forwarding: Forward your business line to AssistCall when busy, after hours or always. Works with any carrier.

About Comcast Business's API

• No public API
• Style: None for call handling on small-business voice lines
• Authentication: Not applicable
• On Zapier: no. On Make: no.

No customer API for call forwarding was found. Business Voice lines can be forwarded online (My Account, Phone, Features tab, Call Forwarding) or with star codes: *90 busy forwarding (*91 off), confirmed in a Comcast Business forum reply; third-party guides list *92 for no-answer forwarding (*93 off) and *63 for selective forwarding, though one guide lists a different no-answer code, so test after setting it. VoiceEdge customers manage forwarding in the VoiceEdge portal; Comcast's help center has a VoiceEdge Select call forwarding article.

Not included: no one-click Comcast Business app, no listing in Comcast Business's marketplace, no two-way sync, and no partnership with Comcast.

Researched by the AssistCall team and checked against Comcast's public pages on October 24, 2026. Comcast Business is a trademark of Comcast. AssistCall is an independent product of Starling Global LLC and is not affiliated with, endorsed by, sponsored by or approved by Comcast.

More Business phone systems and carriers integrations

• AT&T Business: AT&T's business wireless, fiber and phone service, which many small businesses use for the mobile or landline number printed on their trucks, cards and listings.
• RingCentral: Cloud business phone system (RingEX) with calling, texting, video and team chat in one app, used by small offices up to large companies.
• Spectrum Business: Charter's internet, mobile and business phone service (Spectrum Business Voice) for small businesses in Spectrum service areas.
• T-Mobile for Business: T-Mobile's wireless and internet service for small businesses, often the owner's mobile number doubling as the business line.
• Verizon Business: Verizon's business wireless, internet and phone service, used by many small businesses whose main number is an owner's or staff member's Verizon mobile line.
• Zoom Phone: Zoom's cloud phone system, added to Zoom Workplace so a business can make and take calls in the same app it uses for meetings.

All product and company names in this directory are trademarks or registered trademarks of their respective owners, used only to identify systems AssistCall can send call information to or receive information from. Their use does not imply any affiliation with or endorsement by their owners. AssistCall connects using signed webhooks, the business's own API keys, automation platforms (Zapier, Make, n8n) the business sets up in its own account, and call forwarding. AssistCall does not provide one-click connectors, marketplace apps, certifications or two-way record or calendar sync, and does not sign HIPAA business associate agreements. Vendor features, plans and API access can change; information last checked October 24, 2026.