Iphone 4S text cannot be heard when jack is plugged in through main spkeaker

[roadster]

Thank you in advance, and hope I am not the only concerned one about, this.

text tones cannot be heard via Phones main speaker, when jack is plugged in. Is there a App, or a way around this?

Please advise on App or how to thank you

 

[roadster]

as asked, and only way to correc tthe info Iasked is for feedback. any one know a App that allows the earpeice to be bipassed. no, yes.

 

[Rocko]

No, all sound is diverted through jack.