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SPECIFICTION
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Blink vs MicroSIP

Blink

icanblink.com

MicroSIP

microsip.org

Side by side

FigureBlinkMicroSIP
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
WebYes—
WindowsYesYes
macOSYesYes
LinuxYesYes
iOSYes—
AndroidYes—
Plans published22
Spec score · Softphone Software8.4 (#4)8.2 (#6)
IntegrationsBlink's listed integrations include the system address book, LDAP directory search, Bonjour neighbours, and web pages with caller information.The site names Asterisk, FreePBX, 3CX, and any SIP-compliant provider or server as supported or commonly used infrastructure.
PrivacyBlink states that it does not collect data from end-users and directs users to SIP2SIP's privacy information for its built-in SIP accounts.MicroSIP says it does not provide user accounts, phone numbers, or telephony services and has no access to end-user information.
SecurityThe site lists ZRTP for encrypted media, OTR for encrypted chat, TLS for file transfers, and OpenPGP messaging support.The product page lists TLS encryption for SIP signaling and SRTP and DTLS-SRTP for media protection.

Plans

Blink

  • BlinkFree
  • Blink ProPriced on request

Blink pricing →

MicroSIP

  • MicroSIPFree
  • Custom-branded softphone build€150, paid once

MicroSIP pricing →

In their own words

Blink

Blink is a real-time communications client that uses SIP to connect with service providers, Bonjour on a local network and SIP2SIP. A SIP account from a provider is required. Voice and video features include Opus audio, H.264, VP8 and VP9 video, acoustic echo cancellation and ZRTP media encryption. Messaging supports MSRP chat, OTR encryption, SIMPLE presence and XCAP server storage. File transfers use MSRP and TLS and include progress reports and delivery confirmation. Screen sharing can run with audio, while conferences can combine participant management, VoIP, messaging, presence, file transfers and screen sharing. Blink supports multiple SIP accounts, iCloud syncing between computers and built-in account sign-up through SIP2SIP. It also lists OpenPGP messaging support and says it does not collect end-user data. The free plan is free and lists Linux, Mac and Windows downloads. Available features may differ by operating system and version, and some conferencing functions require a conference server. Blink was founded in 2002.

Visit icanblink.com

MicroSIP

MicroSIP is a free Windows desktop softphone for business communication and professional VoIP use. It makes voice and video calls through SIP providers or PBX systems, and can also call an IP address or domain name directly. Call Manager handles multiple simultaneous calls, conferences, blind and attended transfers, and instant messaging. Listed video codecs include H.264, H.263+, VP8, and VP9; DTMF options include in-band, RFC2833, and SIP INFO. SIP signaling can use TLS, while media protection options include SRTP and DTLS-SRTP. MicroSIP says it does not provide user accounts, phone numbers, or telephony services and has no access to end-user information. Windows is listed as supported; Linux, macOS, and BSD are listed for use via Wine. Android, iPhone, and iPad are not supported. The standard edition lists video support, while Lite does not. The project uses the GNU GPL v2 license. A custom-branded softphone build costs €150, paid once; future updates, modifications, or additional features are billed separately.

Visit microsip.org