Side by side

Sip:phone vs Telephone

Both stand on softphone and calling apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Sip:phone

Free trial AndroidAPIiPhone

Choose Sip:phone if you operate Sipwise NGCP and want subscribers to use Android or iOS devices as extensions of your business phone system. Look elsewhere if you need a client for arbitrary SIP services or emergency calling; commercial use also requires Sipwise licensing.

Visit Sip:phone

Telephone

Free plan Mac

Choose Telephone if you want a Mac SIP softphone with Contacts, call-link, and notification support.

Visit Telephone

The facts

	Sip:phone	Telephone
Free plan	Not published	Yes
Open source	Not published	Not published
Runs on	Android, API, iPhone	Mac
Lowest paid plan	Free or on request	Free or on request
Plans published	2	2
Maker	Not published	Not published
Website	sipwise.com	64characters.com
On softphone and calling apps	#27 of 33	#23 of 33

Sip:phone: what it does well

Audio and video calls, conferences, and call transfers
Operators can customize and publish the app under their name
Administrators can configure desk phone and mobile ringing
Contacts can sync with subscriber records and show presence
Encrypted SIP communication is described

What to know first

Requires an existing Sipwise server account
Does not work properly with arbitrary SIP providers or deployments
Not intended to place or support emergency calls
Commercial licensing and pricing are handled through Sipwise Sales

Telephone: what it does well

Works with SIP accounts from providers or compatible routers.
Answers and declines calls from notifications.
Integrates with macOS Contacts and Services.
Supports Opus, G.722, and G.711 codecs.
Maker says application data stays on the device.

What to know first

The free version shows only the last three calls.
Available for macOS only, with no browser or mobile app.

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