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Inmarsat have launched a new firmware update for the IsatPhone Pro. This upgrade provides enhancements to DTMF signalling. This is used for such services as telephone banking and 2 stage dialling. The upgrade also includes an enhancement to text message receipt timing for the IsatPhone Pro user. Available to download fro our website now: https://gtc.co.uk/satphone/Inmarsat_IsatPhone_Pro_Support.html
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