2026-03-07
Any SIP client that supports standard SIP registration will work with SpoofGlobal. The caller ID is set server-side, so your softphone just needs to connect and place calls. Here are the best options for each platform.
Platforms: Android, iOS, Windows, Mac, Linux
Zoiper is the most popular choice for SpoofGlobal users. It's reliable, lightweight, and supports both SIP and IAX2 protocols. The free version handles basic calling, while Zoiper5 Pro adds features like call recording and multiple accounts.
See our detailed Zoiper setup guide for step-by-step instructions.
Platforms: Android, iOS, Windows, Mac, Linux
Linphone is free and open-source. It supports SIP with TLS encryption, SRTP, and SRTP. Good option if you prefer open-source software. The UI is clean but less polished than Zoiper.
Platforms: Android, iOS
Groundwire (formerly Acrobits) is a premium mobile SIP client with excellent push notification support. It stays connected in the background better than most mobile clients, making it ideal for receiving callbacks on your spoofed number.
Platforms: Windows
MicroSIP is a tiny, free, open-source SIP client for Windows. It uses minimal resources and is perfect for desktop use. No mobile version, but it's the lightest Windows SIP client available.
Platforms: Android, iOS, Windows, Mac
3CX offers a free softphone that works well with external SIP servers. It has a modern interface and good call quality. Originally designed for the 3CX PBX system but works with any SIP server.
| CLIENT | PRICE | PLATFORMS | BEST FOR |
|---|---|---|---|
| Zoiper | Free / Pro | All | General use |
| Linphone | Free | All | Open source |
| Groundwire | $14.99 | Mobile | Mobile push |
| MicroSIP | Free | Windows | Lightweight |
| 3CX | Free | All | Modern UI |
If you use IP2IP authentication instead of SIP registration, you don't need a softphone at all. Any device that can send SIP traffic from your whitelisted IP will work — including Asterisk, FreeSWITCH, or hardware SIP phones.
Zoiper is the most popular and recommended choice. It works on all platforms, is easy to configure, and handles SIP registration reliably. The free version is sufficient for most users.
No. Any standard SIP client works. The caller ID is set on the server side by SpoofGlobal, so your softphone just needs to support basic SIP calling.
Yes. Any SIP-compatible device works, including Grandstream, Yealink, Polycom, and Cisco phones. Configure them with your SpoofGlobal SIP credentials just like a softphone.
Zoiper shows your SIP account details locally. The spoofed caller ID is what the recipient sees when you call them, not what appears in your own client.