[asterisk-users] Best External PRI Gateway?

[jameson asterisk]

I'm currently looking to interconnect my Asterisk PBX system with the PSTN
via a digital PRI/T1.
I know a multitude of options exist for internal PCI cards
(Digium/Sangoma/Rhino), I was wondering if anyone has any experience or
recommendations of external PRI media gateways that support SIP.

So far I've found:
VegaStream Vega 400
Audiocodes Mediant 2000
MediaTrix 1531

However they are all expensive (over 3,000).

Does any one have any other suggestions or experience with the above
products?

Thanks,
Jameson
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