With Ambaṭṭha 1.10.2

1.10.2

Gacchanto vā hi, bho gotama, gacchantena brāhmaṇo brāhmaṇena saddhiṃ sallapitumarahati, ṭhito vā hi, bho gotama, ṭhitena brāhmaṇo brāhmaṇena saddhiṃ sallapitumarahati, nisinno vā hi, bho gotama, nisinnena brāhmaṇo brāhmaṇena saddhiṃ sallapitumarahati, sayāno vā hi, bho gotama, sayānena brāhmaṇo brāhmaṇena saddhiṃ sallapitumarahati.

For it is proper for one brahmin to converse with another while both are walking, standing, sitting, or lying down.