Knowledgebase Article
| Knowledgebase > Unified Communications > SmartNode > SmartLink |
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| Why does my Patton Smartlink IP Phone disconnect as soon as a call is placed to an older model PBX or softswitch? | |||
| Article Id #: 38 | |||
This happens because the PRACK function is enabled by default. Under the "SIP Settings" tab, you will want to disable the PRACK function. |
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