Google Voice vs Kannel

Google Voice

Description: Google Voice is a telephony service by Google that provides a phone number for making affordable calls within the U.S. and Canada. It has features like voicemail transcription, call screening, conference calling, and text messaging.

Type: software

Kannel

Description: Kannel is an open source WAP and SMS gateway that enables sending and receiving SMS messages to/from various devices and interfaces with various messaging protocols. It allows building SMS services and applications quickly and efficiently.

Type: software

Pricing: Open Source

Google Voice Features

• Voicemail transcription
• Call screening
• Conference calling
• Text messaging
• Voicemail
• Call forwarding
• Call blocking
• International calling
• Toll-free numbers

Kannel Features

• SMS gateway functionality
• Support for multiple protocols (SMPP, UCP/EMI, CIMD2, OIS, HTTP)
• Built-in SMSC (Short Message Service Center) functionality
• Support for long SMS messages
• Tools for parsing, validating, encoding SMS messages
• APIs for integrating with external apps and services
• Load balancing and redundancy capabilities
• Support for SMS over SS7 and SIGTRAN networks
• Tools for SMS routing, filtering, throttling
• Support for SMSC emulation and interconnecting
• Tools for monitoring, statistics, troubleshooting

Google Voice

• Not listed

Kannel

• Open Source