Side by side
sipXcom vs Slingshot VoIP
Both stand on business phone systems. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxSelf-hosted
Choose sipXcom if you want open-source PBX and unified communications functions that can be deployed on one server or distributed across a system. Look elsewhere if you need a free trial or require plug-and-play management for phones outside the identified models.
Visit sipXcom Paid AndroidAPIiPhone+2
Slingshot VoIP combines virtual PBX features, business numbers, routing, transcription, and integrations across desktop and mobile platforms. Its paid plans differ by user count and included allowances, with a minimum 12-month term.
Visit Slingshot VoIPThe facts
| sipXcom | Slingshot VoIP | |
|---|---|---|
| Free plan | Yes | No |
| Open source | Not published | Not published |
| Runs on | API, Linux, Self-hosted | Android, API, iPhone, Mac, Windows |
| Lowest paid plan | Free or on request | Essential: $19.95 a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | sipfoundry.atlassian.net | slingshot.tel |
| On business phone systems | #19 of 174 | #115 of 174 |
sipXcom: what it does well
- Open-source unified communications software with a free plan.
- Combines PBX telephony, instant messaging and video calling.
- Supports custom call routing and multiple business numbers.
- Can run on one server or a distributed, optionally redundant system.
- REST and SOAP APIs support application integration.
What to know first
- The listed version 21.04 ISO specifies CentOS 7.
- Phone plug-and-play management is identified for selected models; others require manual configuration.
- Commercial versions with paid support are available.
Slingshot VoIP: what it does well
- Unlimited US and Canada calling
- Advanced call routing
- Voicemail transcription included
- Microsoft Teams and Salesforce integrations
- Desktop and mobile apps
What to know first
- No free plan or trial
- Minimum 12-month pricing term
- Calls subject to fair usage policy
- Support hours limited to weekdays
Alternatives to sipXcom Alternatives to Slingshot VoIP The whole list