Unfortunately I do not have any. I am looking for information how this feature is delivered by CAMEL in real networks. I can imagine that in order to play announcements of subscriber’s domestic network to while he/she is registered in VPLMN (in case of prepaid services) some kind of temporary connection has to be established between HPLMN and VPLMN (similar to ETC procedure in INAP). Then by means of PA and P&CUI operations particular announcements are going to be generated directly from home gsmSRF. Another solution could be to play some general announcements from gsmSRF of visited network which is also technically feasible.
Please send my some comments on my consideration above. Any traces will be also appreciated.